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RESPIRATORY AND CIRCULATORY SYSTEM

Total questions: 47

Worksheet time: 35mins

Name
Class
Date
1.

What is the main function of the respiratory system?

a)

to break food down

b)

supply the blood with oxygen

c)

absorption of nutrients

d)

circulate the blood

2.

The trachea is a part of the respiratory system. What can the trachea also be called and what is its function?

a)

windpipe, filters the air we breathe

b)

windpipe, releases air out of the body

c)

tubes; carries air to the lungs

d)

transport of oxygen

3.

When you breathe out, what gas does the body get rid of?

a)

When you breathe out your body gets rid of nitrogen gas

b)

When you breathe out your body gets rid of carbon dioxide gas.

c)

When you breathe out your body gets rid of carbon monoxide gas.

d)

When you breathe out your body gets rid of oxygen gas

4.

What are capillaries?

a)

Capillaries are tiny lung sacs in your lungs.

b)

Capillaries are tiny blood vessels in your lungs.

c)

Capillaries are tiny blood cells in your lungs.

d)

Capillaries are large blood cells in your lungs

5.

What happens when you breathe in?

a)

When you breathe in your diaphragm expands and your ribcage contracts.

b)

When you breathe in your diaphragm contracts and your ribcage expands

c)

When you breathe in your diaphragm explodes and your ribcage contradicts.

d)

When you breathe in your diaphragm does not move and your ribcage expands

6.

The space at the back of the mouth, that leads either to the airway or the esophagus is the:

a)

larynx

b)

conchae

c)

nasal cavity

d)

pharynx

7.

The voice box is also known as the ______________________.

a)

Alveoli

b)

Larynx

c)

Motormouth

d)

Esophagus

8.

The tiny hairs that keep mucus and dirt out of your lungs are called _____________.

a)

Lung hairs.

b)

Stubble

c)

Bronchioles

d)

Cilia

9.

What muscles allow you to breathe in and out?

a)

The muscles that allow you to breathe in and out is the nose.

b)

The muscles that allow you to breathe in and out is the trachea.

c)

The muscles that allow you to breathe in and out is the tongue.

d)

The muscles that allow you to breathe in and out is the diaphragm.

10.

Which part of the body is not used for the respiratory system to work?

a)

mouth

b)

nose

c)

small intestine

d)

diaphragm

11.

What are alveoli?

a)

Alveoli are tiny cells

b)

Alveoli are large blood vessels.

c)

Alveoli are tiny blood vessels

d)

Alveoli are tiny sacs in the lungs

12.

What is number 3?

a)

Diaphragm

b)

Trachea

c)

Bronchi

d)

Larynx

13.

What is number 7?

a)

Alveoli

b)

Larynx

c)

Trachea

d)

Pharynx

14.

What is number 1?

a)

Alveoli

b)

Lungs

c)

Epiglottis

d)

Nasal Cavity

15.

What is number 6?

a)

Bronchi

b)

Brochioles

c)

Lungs

d)

Alveoli

16.

What is number 2?

a)

Trachea

b)

Larynx

c)

Pharynx

d)

Nasal Cavity

17.

What is number 4?

a)

Bronchioles

b)

Alveoli

c)

Bronchi

d)

Lungs

18.

What is number 8?

a)

Bronchi

b)

Lungs

c)

Alveoli

d)

Bronchioles

19.

What is number 5?

a)

Alveoli

b)

Pharynx

c)

Lungs

d)

Trachea

20.

What is number 9?

a)

Trachea

b)

Bronchi

c)

Bronchioles

d)

Alveoli

21.

A _____ is a blood vessel that carries blood to the heart

a)

blood vessel

b)

artery

c)

vein

d)

capillary

22.

Which of the following organs fits the definition?

•they carry oxygen and nutrients away from your heart to your bodies tissues

a)

veins

b)

arteries

c)

lungs

d)

heart

23.

Arteries, Veins, and capillaries are 3 types of ____

a)

systems

b)

cells

c)

organs

d)

blood vessels

24.

What is the function of the Circulatory System?

a)

The system that helps your body breathe

b)

Your body muscles

c)

Your body nerves

d)

The system transporting blood to different parts of the body

25.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

26.

Which of the following is not part of the circulatory system?

a)

veins

b)

heart

c)

stomach

d)

arteries

27.

What is the yellow substance that takes up 54.3% of blood?

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

28.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
29.
True or False: The circulatory system does not help the body regulate temperature
a)
True
b)
False
30.
The main function of the red blood cells is to 
a)
allow gases to exchange
b)
fight infection
c)
give blood its color
d)
help clot blood
31.
White blood cells
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
32.
Platelets 
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
33.
The human heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, blood, and hormones to and from the tissues removing _________ ___________ and other wastes.
a)
hydrogen dioxide
b)
carbon moxoide
c)
water molecules
d)
carbon dioxide
34.
The plasma that contains blood cells is mainly made up of 
a)
cytoplasm
b)
nutrients
c)
waste
d)
water
35.
The heart is made up of _________ chambers
a)
one 
b)
two 
c)
three
d)
four
36.
Oxygen deprived blood enters the heart through the 
a)
right ventricle 
b)
left ventricle
c)
right atrium
d)
left atrium
37.
Oxygen rich blood leaves the heart through the
a)
right atrium
b)
left atrium 
c)
right ventricle
d)
right atrium
38.
On and off switches to let blood in and out of the heart are known as
a)
ventricles
b)
valves
c)
buttons
d)
pulses
39.
Arteries carry nutrient and oxygen rich blood _____________ from the heart.
a)
back to
b)
away
c)
parallel
40.
Veins carry blood _________  the heart.
a)
back to 
b)
away
c)
parallel
41.
Blood vessels are 
a)
veins
b)
capillaries
c)
arteries
d)
all of them
42.
Capillaries join together
a)
veins and arteries
b)
veins and the heart
c)
arteries and veins
d)
heart and valves
43.
A capillary is an extremely small blood vessel located within the __________ of the body, that transports blood from arteries to veins.
a)
organelles
b)
tissues
c)
cells
44.
True or false:  The circulatory system includes all of your bones.
a)
True
b)
False
45.
The heart is the size of
a)
your thumb
b)
your fist
c)
your ribcage
d)
your kitchen table
46.
True or false:  Your circulatory system is like a clean up crew.  It breaks down waste.
a)
True
b)
False
47.
True or False: The lymph nodes produce white blood cells
a)
True
b)
False

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