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Worksheets

Human Body System

Total questions: 192

Worksheet time: 3hrs 41mins

Name
Class
Date
1.
the process by which the body obtains and uses oxygen and removes carbon dioxide and water.
a)
breathing
b)
respiration
c)
digestion
d)
circulation
2.
Number 6 is pointing to which organ of the Respiratory System
a)
Nose
b)
Lung
c)
Diaphragm
d)
Bronchi Tube
3.
Which 2 substances are exchanged in the Respiratory System?
a)
oxygen and nitrogen
b)
carbon dioxide and oxygen
c)
oxygen and glucose
d)
glucose and carbon dioxide
4.
The windpipe is also known as which organ?
a)
Lung
b)
Trachea
c)
Alveoli
d)
Nose
5.
The place in the lungs where oxygen and carbon dioxide are exchanged 
a)
Diaphragm
b)
Alveolus
c)
Bronchi Tube
d)
Trachea
6.
Number 11 is pointing to which organ of the Respiratory System?
a)
Alveoli
b)
Lungs
c)
Bronchi Tubes
d)
Bronchioles
7.
Letter D is pointing to which Respiratory organ?
a)
Alveoli
b)
Diaphragm
c)
Lung
d)
Bronchi
8.
Letter B is pointing to which organ of the Respiratory System?
a)
Nose
b)
Trachea
c)
Lungs
d)
Diaphragm
9.
When the diaphragm contracts and moves down, the lungs are...
a)
expanding with air
b)
shrinking - pushing air out
10.
When the diapragm relaxes and moves back up, the lungs are...
a)
expanding with air
b)
shrinking - pushing air out
11.
What is the function of the bronchi?
a)
Transport air from nose to lungs
b)
Transport air from trachea to lungs
c)
Transport air from lungs to alveoli
d)
Transport air from alveoli to blood
12.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
13.
Flap of skin that covers the opening to the windpipe during swallowing
a)
Stomach
b)
Trachea
c)
Pancreas
d)
Epiglottis
14.
The larynx is also known as the...
a)
Voice box
b)
Passage to the lungs
c)
Long vein
d)
Airway
15.
We receive oxygen and take out what from our bodies ? 
a)
Our need to live 
b)
Carbon Dioxide 
c)
Molecules unneeded to the body. 
d)
Chemicals needed to the body . 
16.
Why is the diaphragm important to the respiratory system ?  
a)
It contracts or expands air from the lungs.
b)
It helps the system to digest. 
c)
It helps the system to do its main functions. 
d)
It helps decrease the carbon dioxide in the system. 
17.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
18.
Air enters the respiratory system through the:
a)
Trachea
b)
Nose and mouth
c)
Bronchi
d)
Diaphragm
19.
The role of the mucus and and cilia in the respiratory system is to....
a)
warm the air. 
b)
clean the air.
c)
humidify the air. 
d)
All of the choices are true. 
20.
What does the cilia do in the respiratory syestem ?
a)
The cilia carries food and air through the respiratory system. 
b)
The cilia is known to be part of a cell. 
c)
Cilia filters particles that enter the nose. 
d)
Cilia contains the vocal chords. 
21.
spasm of the diaphragm
a)
cough
b)
sneeze
c)
hiccup
d)
yawn
22.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
23.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
24.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

25.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
26.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
27.
A chamber behind the nose and mouth that leads to the trachea
a)
pharynx
b)
trachea
c)
epiglottis
d)
larynx
28.

The drawing in of breath; inhalation.

a)

Inspiration

b)

Expiration

29.

Breathing out; exhalation of breath.

a)

Inspiration

b)

Expiration

30.

What is the site of gas exchange?

a)

alveoli

b)

nose

c)

lung

d)

bronchi

31.

The process of exchanging oxygen and carbon dioxide in the lungs.

a)

inspiration

b)

expiration

c)

internal respiration

d)

external respiration

32.

The only externally visible part of the respiratory system

a)

Eyes

b)

Nose

c)

Pharynx

d)

Larynx

33.

The division of the trachea forms

a)

nose

b)

main bronchi

c)

lungs

d)

alveoli

34.

Which part of the Respiratory System plays a major role in speech?

a)

nose

b)

pharynx

c)

larynx

d)

trachea

35.

the windpipe; a passage through which air moves in the respiratory system.

a)

trachea

b)

lungs

c)

larynx

d)

bronchi

36.
Which 2 substances are exchanged in the Respiratory System?
a)
oxygen and nitrogen
b)
carbon dioxide and oxygen
c)
oxygen and glucose
d)
glucose and carbon dioxide
37.

What does the respiratory system release?

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

ATP

38.

A small flap of tissue that covers the trachea is called the

a)

bronchi

b)

larynx

c)

pharynx

d)

epiglottis

39.

When you exhale, the diaphragm

a)

moves upwards

b)

moves downwards

c)

flattens

d)

none of the above

40.

Which is known as the voice box?

a)

pharynx

b)

larynx

c)

trachea

d)

bronchi

41.

The normal oxygen content of inhaled air is approximately

a)

0.04%

b)

21%

c)

79%

d)

100%

42.

Actions by one thing that have an effect on a different or separate thing

a)

Interactions

b)

Movement

c)

Organ

d)

Function

43.

A process by which animals use oxygen and food to make energy and carbon dioxide

a)

Interactions

b)

Respiration

c)

Function

d)

Organ

44.

What something does

a)

diet

b)

Movement

c)

Organ

d)

Function

45.

a collection of similar tissues that make up a structure that performs a specific function

a)

function

b)

Nervous system

c)

organ

d)

Muscular System

46.

The group of organs that work together to break down food by physical and chemical processes into nutrients that the body can use

a)

digestive system

b)

exercise

c)

Nervous system

d)

organ

47.

Any body movement that requires energy and moves your muscles

a)

function

b)

organ

c)

exercise

d)

nervous system

48.

A group of organs that provide movement and warmth for the body

a)

Muscular System

b)

Organ

c)

Digestive System

d)

Exercise

49.

A group of organs and tissues that sense, transmit, and process information

a)

Organ

b)

Function

c)

Nervous System

d)

Exercise

50.

What an organism eats

a)

Interactions

b)

Respiratory System

c)

respiration

d)

Diet

51.

A group of organs that allow oxygen and carbon dioxide to exchange between the body and the environment

a)

Circulatory System

b)

Respiratory System

c)

Movement

d)

diet

52.

A change in postiton or location

a)

diet

b)

Movement

c)

interactions

d)

mechanical energy

53.

All the energy something has due to its movement and postion

a)

Mechanical Energy

b)

Circulatory System

c)

Respiratory System

d)

Respiration

54.

The group of organs that work together to circulate blood through the body, supply oxygen and nutrients, and remove waste

a)

diet

b)

Respiratory System

c)

Movement

d)

circulatory system

55.

In respiration air enters our body through the...(choose 2)

a)

Nose

b)

Lungs

c)

Skin

d)

Mouth

56.

People who have asthma have problems with their legs.

a)

True

b)

False

57.

What's the name of the tiny air sacs found at the end of each bronchiole?

a)

Alveoli

b)

Windpipe

c)

Bronchus

d)

Ribs

58.

Which are the bones that protect the organs in the chest?

a)

Ribs

b)

Wings

c)

Intercostal muscles

d)

Bronchioles

59.

It is also called the windpipe...

a)

The bronchus

b)

The alveoli

c)

The trachea

d)

The mouth

60.

It contracts and relaxes to change the volume of the chest, causing the movement of air into and out of the lungs.

a)

Diaphragm

b)

Trachea

c)

Lungs

d)

Intercostal muscles

61.

The process of taking air in is called...

a)

Inhalation

b)

Exhalation

c)

Whistling

d)

Running

62.

When we breathe in we inhale:

a)

Carbon dioxide

b)

Oxygen

c)

Water

d)

H2O

63.

When we breathe in we exhale:

a)

Carbon dioxide

b)

Oxygen

c)

Water

d)

H2O

64.

Which are the smaller tubes found at the end of the bronchi?

a)

Bronchioles

b)

Bronchus

c)

Alveoli

d)

Alveolus

65.

Which organ churns food and uses acid and enzymes to break down food?

a)

stomach

b)

esophagus

c)

mouth

d)

epiglottis

66.

Which of the following is the function of the epiglottis

a)

It is the tube that connects the mouth to stomach

b)

it is a flap of cartilage that keeps food out of the lungs

c)

it is how the stomach connects to the small intestine

d)

I have no idea

67.

What is the function of the teeth and tongue

a)

chemical digestion

b)

break down food

c)

mechanical digestion

d)

they only chew food

68.

What connects the mouth to the stomach

a)

epiglottis

b)

pylorus

c)

esophagus

d)

tongue

69.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
70.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
71.
Enzymes (chemicals) in your saliva help break down food while chewing.  This is...
a)
Mechanical digestion
b)
Chemical digestion
72.

the PARTS of the small intestine that helps absorb digested food

a)

stomach

b)

villi

73.

chemical used to digest food

a)

enzyme

b)

saliva

74.

What is the main purpose for the digestive system ?

a)

to protect your organs

b)

to provide you with nutrients and energy

c)

to pump blood and transport oxygen through your boby

d)

to control breathing

75.

What are the steps of the digetive process?

a)

Digestion in the small intestine, chewing, in the stomach, absorption and waste elimination.

b)

Chewing, digestion in the stomach, digestion in the small intestine, absorption and waste elimination.

c)

Chewing, digestion in the stomach, waste elimination, absoption and digestion in the small intestine.

76.
what are 2 types of digestion 
a)
comotive digestion&chemical digestion 
b)
mechanical digestion & chemical digestion 
c)
forceful digestion & comotive digestion
d)
chemical digestion & motor digestion 
77.

what is the esophagus do

a)

it pushes food into the stomach

b)

?

c)

breaks down food and pushes into stomach

d)

is a long tube that leads to stomach

78.

Food travels down the esophogus to the_______.

a)

Gull bladder

b)

Mouth

c)

Stomach

d)

Small intestine

79.

Why do you have two different structures of teeth

a)

you need teeth to slice and teeth to grind

b)

your teeth were made that way

c)

you don't have two different structures

80.

We need to eat so that our body has the food substances that it needs...

a)

to repair itself

b)

for growth

c)

to get sick

d)

for energy

81.

The process of breaking down foods into smaller parts is called

a)

digestive

b)

indigestion

c)

digestion

d)

digging

82.

The process of breaking down foods into smaller parts happens in the ___ system.

a)

digestive

b)

indigestion

c)

digestion

d)

digging

83.

Our body can easily absorb food without digesting it.

a)

True

b)

False

84.

Digestion starts in the ___.

a)

mouth

b)

nose

c)

stomach

d)

liver

85.

Which organs work to chew our food and start to break it down?

a)

Teeth

b)

Tongue

c)

Saliva

d)

Nose

86.

After we have chewed our food, what mixes with it to help us to swallow it?

a)

Teeth

b)

Tongue

c)

Saliva

d)

Nose

87.

The oesophagus connects the ___ to the ___.

a)

mouth, small intestine

b)

teeth, mouth

c)

mouth, stomach

d)

stomach, liver

88.

In the stomach, food is crushed and mixed with ___.

a)

gases and alkaline

b)

gastric juices and acids

c)

grape juice and apples

d)

gassy drinks and acorns

89.

How long does food usually stay in your stomach?

a)

5 minutes

b)

1 hour

c)

4 hours

d)

1 day

90.

Which intestine does your food reach first?

a)

small

b)

medium

c)

large

d)

extra large

91.

In the small intestine...

a)

waste products pass through until they form solid faeces

b)

water is added to soften the food

c)

digested food is absorbed into the blood

d)

waste products leave the body

92.

Which organ helps to keep digested food until our body needs it?

a)

Lungs

b)

Liver

c)

Small intestine

d)

Large intestine

93.

In the large intestine...

a)

waste products pass through until they form solid faeces

b)

water is added to soften the food

c)

digested food is absorbed into the blood

d)

waste products leave the body

94.

Waste products are food that

a)

cannot be digested

b)

the body cannot use

c)

tastes bad

d)

have been broken down

95.

What is the purpose of the digestive system?

a)

To exchange gasses in your body

b)

to get rid of waste in the body

c)

to break down food into nutrients the body can use

d)

to break down food into oxygen

96.

______ is the watery liquid that begins to chemically break down food in your mouth.

a)

salivary glands

b)

saliva

c)

mucus

d)

water

97.

Food stays in your _____ for hours where it mixes with acid.

a)

small intestines

b)

large intestines

c)

stomach

d)

esophagus

98.

What do you call the organ that takes food from your mouth to your stomach?

a)

acid

b)

stomach

c)

esophagus

d)

villi

99.

Most digestion takes place in this organ. It is really long.

a)

small intestines

b)

large intestines

c)

esophagus

d)

pancreas

100.

Food travels down your esophagus through a wavelike motion called ____.

a)

gravity

b)

falling

c)

peristalsis

d)

squeezing

101.

Digestion begins in the _________________.

a)

liver

b)

mouth

c)

gallbladder

d)

stomach

102.

Which shows the correct order of digestion?

a)

mouth, pharynx, stomach, small intestines, esophagus

b)

pharynx, esophagus, stomach, small intestines, large intestines

c)

mouth, esophagus, large intestines, stomach, small intestines,

d)

stomach, large intestines, esophagus, small intestines

103.

Water from your undigested food is absorbed in the ___________________?

a)

small intestines

b)

stomach

c)

liver

d)

large intestines

104.

The process by which the body breaks down food so that it can be used for energy.

a)

composition

b)

digestion

c)

absorption

105.

What is the correct order of the following processes?

a)

ingestion, digestion, elimination, absorption

b)

digestion, ingestion, absorption, elimination

c)

ingestion, digestion, absorption, elimination

d)

digestion, elimination, ingestion, absorption

106.

What is the best way to keep your digestive system healthy?

a)

Eat your meals quickly

b)

Only eat fruits and vegetables a couple times a week

c)

Eat healthy, well balanced meals

d)

Eat a large late night snack, about 15 minutes before bed

107.

Nausea, heartburn, constipation, upset stomach and diarrhea are all

a)

symptoms of digestive system problems or illness

b)

always preventable

c)

minor problems that should be ignored no matter how long they last

d)

reasons to call 911

108.

When you participate in physical activities, your body requires extra energy. The amount of energy used will depend on

a)

the type of exercise you do

b)

the intensity level of the exercise

c)

the length of time you exercise for

d)

all of the above

109.
Which of the following would be the best pre-game meal to eat 5-6 hours before a competition?
a)
Spaghetti and turkey meatballs
b)
Steak and eggs
c)
A doughnut
d)
Nothing but water
110.
If you are an athlete competing at an all day tournament, which food would be best to eat in between events? 
a)
Apple 
b)
Hot dog 
c)
Water only 
d)
Protein bar 
111.
Used by the body to keep you hydrated, aid in digestion, cushion joints, and helps brain functions and focus.
a)
water
b)
minerals
c)
vitamins
d)
protein
112.
What is the structure highlighted in red?
a)
Duodenum
b)
Pancreas
c)
Gall Bladder
d)
Esophagus
113.
What happens when digestion works in reverse?
a)
beeping
b)
fun and games
c)
vomit
d)
placemat
114.

______ is the watery liquid that begins to chemically break down food in your mouth.

a)

salivary glands

b)

saliva

c)

mucus

d)

water

115.
Which of the following systems protects the body from disease?
a)
Digestive System
b)
Nervous System
c)
Immune System
d)
Skeletal System
116.
How do germs enter the body?
a)
From touching a mucous membrane
b)
From not washing your hands
c)
a.  From touching your face
d)
All of the above
117.
Viruses multiply: 
a)
By conjungation
b)
By taking over a cell's functions
c)
By binary fission
d)
Both sexually and asexually
118.
Which pathogen can be cured by antibiotics?
a)
Virus
b)
Bacteria
c)
Protist
d)
Fungi
119.
Any substance that causes an allergy is a(n):
a)
Allergen
b)
Irritant
c)
Virus
d)
Carcinogen
120.
An example of a noninfectious disease is: 
a)
Influenza
b)
Small Pox
c)
Diabetes
d)
Typhoid
121.
An example of an infectious disease is:
a)
Diabetes
b)
Cancer
c)
Cardiovascular Disease
d)
Measles
122.

Viruses and Bacteria are ___________________.

a)

healthy

b)

green

c)

germs

123.

You can kills germs by ___________________.

a)

washing your hands.

b)

thinking.

c)

eating soap.

124.

If you have an open wound, you should cover it with a ________.

a)
b)
c)
125.

Which of these can you get from germs?

a)

cold

b)

a broken arm

c)

nosebleed

126.

You can't get _________ from germs.

a)

a cold

b)

the flu

c)

sprained ankle

127.

Which are germs?

a)

viruses

b)

bacteria

c)

fungi

d)

all of them

128.

Cover your mouth when you ________ or cough.

a)

laugh

b)

puke

c)

sneeze

129.

_______ can give you athlete's foot.

a)

Fungi

b)

Bacteria

c)

Viruses

130.

Zits are caused by ___________.

a)

Fungi

b)

Viruses

c)

Bacteria

131.

The flu is caused by a ______________.

a)

bacteria

b)

virus

c)

fungi

132.

Germs can be seen with just your eyes.

a)

True

b)

False

133.

The purpose of the immune system is to ....

a)

a. help germs invade your body

b)

c. make your nose run

c)

b. fight of sickness

d)

d. give your diarrhea

134.

The immune system is made up of ....

a)

a. tissues

b)

c. cells

c)

b. organs

d)

d. all of the above

135.

As part of the immune system, white blood cells fight germs. Another name for white blood cells is ....

a)

a. Rhinovirus

b)

c. Glands

c)

b. Leukocytes

d)

d. Nodes

136.

Leukocytes are found in lots of places, including an organ in your belly that filters blood and help fight infections known as the ....

a)

a. heart

b)

c. kidneys

c)

b. spleen

d)

d. brain

137.

The four main types of germs are ....

a)

a. viruses, bacteria, parasites, and fungi

b)

b. viruses, parasites, fungi, and phagocytes

c)

c. parasites, bacteria, lymphocytes, and fungi

d)

d. small, medium, large, and extra large

138.

Getting these when you're young helps your immune system fight off diseases ....

a)

a. stickers

b)

c. shots (immunizations)

c)

b. bandages

d)

d. cough drops

139.

To be "immune" means what?

a)

a. that you are infected

b)

c. that you are more likely to get sick

c)

b. that you are bald

d)

d. that you are protected

140.

Lymph nodes are found in the ....

a)

a. neck

b)

c. groin

c)

b. armpits

d)

d. all of the above

141.

When someone's immune system overreacts to something harmless it's called ....

a)

a. overreactus maximus

b)

c. a sneeze

c)

b. an allergy

d)

d. the measles

142.

Which of the following will not help your immune system?

a)

a. playing sports video games

b)

c. eating healthy food

c)

b. exercising

d)

d. regularly washing your hands

143.

The nervous system is made up of all the following EXCEPT

a)

Brain

b)

Nerves

c)

Muscles

d)

Spinal Cord

144.

The nervous system is broken into 2 major parts, the

a)

Central Nervous System

b)

Pedestrian Nervous System

c)

Peripheral Nervous System

d)

Whole Nervous System

145.

The nervous system includes sensory organs (eyes, ears, skin)

a)

True

b)

False

146.

The left side of your brain controls the _______ side of your body.

a)

Right

b)

Left

c)

Front

d)

Back

147.

When you smash your finger, it takes your brain a ________ time to process the pain signal and tell your hand to move.

a)

long

b)

very long

c)

Short

d)

very short

148.

When you want to go for a run, your nervous system tells your ________ system what to do.

a)

Respiratory

b)

Digestive

c)

Skeletal

d)

Muscular

149.

When you need to use the bathroom, your excretory system sends a signal to your ________ system to let your body know that it's time....

a)

Skeletal

b)

Nervous

c)

Circulatory

d)

Respiratory

150.

Stand up, run in place for 30 seconds (actually do it!). What body systems were involved in the exercise you just did? (check all that apply)

a)

Nervous system

b)

Respiratory system

c)

Circulatory System

d)

Muscular system

e)

Skeletal system

151.

In what way did your nervous system help when you ran in place for 30 seconds? (check all that apply)

a)

Your nervous system told your muscles what to do (contract and relax)

b)

your nervous system told your circulatory systemto pump faster because your muscles needed more oxygen

c)

your nervous system told your respiratory system to breather faster to get more oxygen in quicker

d)

your nervous system told your digestive system to pause on digesting food because it needed more blood to transport the oxygen your muscles need

e)

your nervous system told itself to start making sweat to help cool your body down

152.

When your get scared, your nervous system goes into

a)

walk and talk mode

b)

fight or flight mode

c)

sit and lounge mode

d)

chill mode

153.

This part of the brain helps with balance and coordination by controlling how the the muscles work together.

a)

cerebrum

b)

cerebellum

c)

brain stem

154.

This part of the brain is the center of conscious thought. It controls our voluntary muscle movements like running and talking as well as our senses (hearing and tasting).

a)

cerebrum

b)

brain stem

c)

cerebellum

155.

Several important involuntary functions, such as breathing and heartbeat, digestion, and sleep are controlled by the

a)

Hippocampus

b)

cerebellum

c)

brain stem or medulla

d)

Cerebrum

156.

A nerve cell is called a

a)

cardiac cell

b)

neurons

157.

An example of voluntary movement would be:

a)

Dancing

b)

heart beat

c)

digestion

d)

breathing

158.

TRUE or FALSE: All nerves have the same job. For example, they all carry messages to the brain

a)

TRUE

b)

FALSE

159.
The spinal cord is part of the ____ nervous system.
a)
Central
b)
Peripheral
160.

The nerves in your fingertips are part of the ___ nervous system

a)

central

b)

peripheral

161.

Select all that apply: The function of the nervous system is to control

a)

voluntary movement

b)

our senses (sight, hearing, touch, taste..)

c)

our memories and thoughts

d)

Involuntary actions likes breathing and heart beat

162.

Two major branches of the nervous system

a)

central and peripheral

b)

peripheral and motor

c)

motor and sensory

163.

The nervous system is composed of the ___, ___, and ___.

a)

heart, brain, kidneys

b)

lungs, liver, stomach

c)

brain, spinal cord, nerves

164.

The brain is part of the ____ nervous system.

a)

central

b)

peripheral

165.
The nerves in your legs are part of the ____ nervous system.
a)
Central 
b)
Peripheral
166.

This is part of our central nervous system and is responsible for connecting the brain to the rest of the body.

a)

Brain

b)

Spinal Cord

c)

Neurons

167.

This is part of our central nervous system and is the "control center" of the body. It controls body functions.

a)

Brain

b)

Spinal Cord

c)

Neurons

168.

The cerebrum contains the prefrontal cortex which is responsible for...

a)

our heart beat

b)

our breathing

c)

our short term memories

d)

movements

169.

The hippocampus is the part of the brain that

a)

our heart beat

b)

our breathing

c)

Stores our short term memories

d)

processes memories and stores them long term.

170.

The brain stem or medulla is the part of the brain that controls

a)

involuntary processes like breathing, heart rate, digestion, and sleep

b)

processes memories and stores them long term.

c)

our short term memories

171.

Nerves are made up of nerve cells called

a)

cardiac cell

b)

neurons

172.

What is true about nerves?

a)

Nerves all have the same job - to send messages TO the brain and spinal cord.

b)

Nerves all have the same job - to send messages AWAY the brain and spinal cord.

c)

Nerves all have different jobs -some only send messages TO to the brain and spinal cord with other only send messages AWAY from the brain and spinal cord.

173.

What organ is # 3?

a)

Stomach

b)

Bladder

c)

Kidney

d)

Heart

174.

How many kidneys do you have?

a)

1

b)

3

c)

5

d)

2

175.

What is the process carried out in the Excretory System?

a)

The skin

b)

The urina

c)

The waste

d)

The heart

176.

The job of your kidney is to...

a)

Pump your blood

b)

Clean blood, sending waste to bladder

c)

Send signal to tour brain

d)

Cut down foods into smaller pieces

177.

What organ remove waste gases?

a)

Lungs

b)

Large intestine

c)

Bladder

d)

Kidneys

178.

True or False:

Kidneys filter waste from blood.

a)

False

b)

True

179.

What is the job of your Excretory System?

a)

To bring oxygen into your body

b)

To break down food

c)

To pump blood around the body

d)

To remove waste from your body

180.

Why is your skin part of the excretory system?

a)

Sweating geta rid of carbon dioxide

b)

Sweating gets rid of salt and water

c)

Exhaling releases carbon dioxide

d)

The large intestine releases feces

181.

Which of the following is NOT part of your excretory system?

a)

Skin

b)

Heart

c)

Lungs

d)

Kidneys

182.

Why digestive system is considered as kind of excretory system?

a)

The large intestine releases feces

b)

Exhaling releases carbon dioxide

c)

Sweating get rid of carbon dioxide

d)

Sweatinf get rid of salt and water

183.

The body has how many kidneys?

a)

1

b)

2

c)

3

184.

What are the waste products excreted through your skin when you sweat?

a)

germs

b)

viruses

c)

water and salts

185.

What organ filters waste from the blood?

a)

kidneys

b)

bladder

c)

liver

d)

lungs

186.

Urine flows from the

a)

bladder to the kidneys

b)

kidneys to the bladder

c)

stomach to the kidneys

187.

Which word describes the function of the nephrons?

a)

tubes

b)

store

c)

filters

d)

collect

188.

What is the main function of our excretory system?

a)

to break down food

b)

to create insulin

c)

to get rid of waste products from your cells

d)

to circulate your blood

189.

Where is urine stored before it is pushed out of the body?

a)

bladder

b)

kidney

c)

liver

d)

heart

190.

Place the events of the urinary system in order.

a)

1. urine passes through the ureters

2. urine is stored in the bladder

3. blood enters the kidneys

4. urine enters the urethra

b)

1. blood enters the kidneys

2. urine passes through the ureters

3. urine is stored in the bladder

4. urine passes through the urethra

191.

Blood being pumped into the kidneys where it is filtered is an example of which two systems working together?

a)

muscular and skeletal

b)

excretory and circulatory

c)

circulatory and digestive

d)

excretory and digestive

192.

True or False. The lungs excrete oxygen from the body.

a)

True

b)

False

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