wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Human Body Systems Practice Questions

Total questions: 85

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

What is the main function of the endocrine system?

a)

It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

b)

It creates electrical messages that are sent around the body to maintain homeostasis.

c)

It maintains the correct level of oxygen in the body to maintain homeostasis.

d)

It releases waste from the body to maintain homeostasis.

2.

What structure(s) shown in the picture above the kidneys?

a)

Thyroids

b)

Adrenal glands

c)

Testes

d)

Parathyroids

3.

This structure releases what hormones?

a)

insulin and glucagon

b)

calcitonin and estrogen

c)

Parathyroid hormone and antidiuretic hormone

d)

epinephrine and testosterone

4.
Diabetes type I (mellitus) is caused by a lack of what pancreatic hormone:
a)
ADH
b)
Glucocorticoids
c)
Insulin
d)
Glucagon
5.

Which of the following are chemicals that travel in the blood and cause changes in different parts of the body?

a)

Hormones

b)

Glands

c)

Parathyroid

d)

Adrenal Gland

6.
Bile is made by which digestive organ?
a)
Gallbladder
b)
Stomach
c)
Rectum
d)
Liver
7.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
8.
Which part carries food into your stomach?
a)
esophagus
b)
mouth
c)
trachea
d)
vessels
9.

Where does digestion begin?

a)

The mouth

b)

The stomach

c)

The liver

d)

The small intestine

10.
Which of the following is NOT a function of the digestive system?
a)
filtering and removing urea from the body
b)
eliminating undigested wastes from the body
c)
breaking down food into molecules that the body can use
d)
absorbing food molecules into the blood
11.

Which of the following answers correctly sequences the pathway food takes from the beginning to end?

a)

mouth, esophagus, stomach, small intestine, large intestine

b)

mouth, esophagus, stomach, large intestine, small intestine

c)

mouth, stomach, esophagus, small intestine, large intestine

d)

mouth, stomach, esophagus, large intestine, small intestine

12.

Structure 17 is the

a)

pancreas

b)

liver

c)

stomach

d)

gall bladder

13.

Structure 20 is the

a)

pancreas

b)

stomach

c)

large intestine

d)

small intestine

14.

What is a neuron?

a)

a bone in your spinal cord

b)

a blood vessel in your brain

c)

a nerve cell

d)

a stroke

15.

The two major parts of the nervous system are the

a)

brain and spinal cord

b)

central and somatic nervous systems

c)

sympathetic and parasympathetic systems.

d)

peripheral and central nervous systems

16.

The two parts of the Peripheral Nervous System

a)

Brain and Spinal Cord

b)

Somatic and Autonomic

c)

Systematic and Brain

d)

Spinal cord and Autonomic

17.

The main function of the nervous system

a)

send messages to and from the brain and spinal cord to and from the body

b)

break down food to be used by the body

c)

remove wastes from the body

d)

all of these

18.
The nervous system is composed of the ___, ___, and ___.
a)
heart, brain, kidneys
b)
lungs, liver, stomach
c)
brain, spinal cord, nerves
d)
eyes, pancreas, veins
19.

What system does the muscular system work in conjunction with to allow our body to move?

a)

Digestive

b)

Respiratory

c)

Skeletal

d)

Circulatory

20.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
21.

When your body receives signals from an external environment and transmits the information to the brain, which body system is being used

a)

Nervous

b)

Integumentary

c)

Digestive

d)

Skeletal

22.

Muscles are connected to bones by an elastic-like (stretchy) strap called a ______

a)

Joint

b)

Bone

c)

Tendon

d)

Muscle

23.

When the ________ contract, the arm bends towards the shoulder.

a)

Biceps

b)

Triceps

c)

Abdomninus

d)

Optimus Prime

24.

What muscle is highlighted?

a)

Lats

b)

Abdominals

c)

Pectoralis

d)

Quads

25.

What muscle is highlighted?

a)

Trapezius

b)

Lats

c)

Pectoralis

d)

Deltoids

26.

About how many muscles do you have in your body?

a)

600

b)

50

c)

1,000

d)

100

27.

What bone is highlighted?

a)

Skull (Cranium)

b)

Mandible

c)

Clavicle

d)

Scapula

28.

What bone is highlighted?

a)

Ribs

b)

Vertebrae

c)

Clavicle

d)

Femur

29.

What bone is highlighted?

a)

Patella

b)

Pelvis

c)

Clavicle

d)

Femur

30.
What do the bones create?
a)
white blood cells
b)
platlets
c)
red blood cells
d)
flying turkeys
31.

The __________ system protects the body and gives it structure.

a)

muscular

b)

digestive

c)

skeletal

d)

circulatory

32.

Which tissue cushions the end of bones?

a)

tendons

b)

ligaments

c)

cartilage

d)

joints

33.

Which is NOT a function of the skeletal system?

a)

production of red blood cells

b)

store calcium

c)

digest food

d)

movement, protection, and support

34.

Which bone disease causes bones to become weak and brittle?

a)

artereosclerosis

b)

arthritis

c)

fracture

d)

osteoporosis

35.
The adult skeletal system is composed of how many bones?
a)
216
b)
371
c)
206
d)
199
36.

These vessels carry blood away from the heart.

a)

arteries

b)

veins

c)

capillaries

d)

superior vena cava

37.

These are the smallest blood vessels with the thinnest walls in order to maximize diffusion of nutrients in and out of the interstitial fluid

a)

arteries

b)

veins

c)

capillaries

d)

aorta

38.

Which of these does not keep your heart healthy?

a)

Following a nutritious diet

b)

Daily physical activity

c)

Eating processed foods

d)

Having regular health check ups

39.

What is the side of the adult heart?

a)

size of an apple

b)

size of a pillow

c)

size of a pea

d)

size of a large fist

40.

What is the role of veins in the cardiovascular system?

a)

Carry blood away from the heart

b)

Carry blood back to the heart

c)

Carry blood to the lungs

d)

Allows the exchanges of gases, nutrients and wastes between blood and the tissues

41.
A hollow, muscular organ that pumps blood throughout the body.
a)
Skeleton
b)
Heart
c)
Vein
d)
Artery
42.
Two short tubes that carry air into the lungs
a)
Trachea
b)
Bronchioles
c)
Lungs
d)
Bronchi
43.
When bronchial tubes are irritated and swell (causing excessive coughing)
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Emphysema
44.
Muscular structure that helps to expand and contract the lungs, forcing air in and out
a)
Pharynx
b)
Nasal cavity
c)
Alveoli
d)
Diaphragm
45.
This is a tube-like pasage used for food, liquid, and air
a)
Larynx
b)
Trachea
c)
Pharynx
d)
Lungs
46.
This is the airway that has two pairs of vocal chords attached to it
a)
Lungs
b)
Diaphragm
c)
Pharynx
d)
Larynx
47.
Bronchial tubes contract quickly causing shortness of breath, coughing, and wheezing
a)
Bronchitis
b)
Emphysema
c)
Lung cancer
d)
Asthma
48.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

49.

The circulatory system works with the ___________ system to provide our body with oxygen and get rid of CO2 (carbon dioxide).

a)

respiratory

b)

digestive

c)

muscular

d)

skeletal

50.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
51.
Which is NOT an organ of the urinary system?
a)
kidney
b)
bladder
c)
ureter
d)
liver
52.
A hollow muscular sac that holds up to 500 mL of urine:
a)
Bladder
b)
Kidney
c)
Ureter
d)
Urethra
53.

Excess water and some chemical and cellular waste products eliminated from the body in liquid waste is called

a)

urea

b)

urine

c)

liquid waste

d)

solid waste

54.

The two narrow tubes that urine flows through from the kidneys to the bladder are the

a)

urethras

b)

kidneys

c)

esophagus

d)

ureters

55.

The urine passes through the __________ as it passes out of the body.

a)

urethra

b)

ureters

c)

bladder

d)

kidney

56.

Kidneys maintain homeostasis by regulating ________ levels

a)

waste

b)

blood

c)

water

d)

food

57.

Which is not a function of the urinary system?

a)

filtration

b)

waste storage and removal

c)

homeostasis maintenance

d)

hormone production

58.
What is the purpose of antibodies?
a)
To pump lymph through the vessels
b)
To create lymph
c)
To fight infection
d)
To remove old red blood cells
59.
The tiny oval shaped lymph structure located throughout the body are known as?
a)
Lymph nodes
b)
Spleen
c)
Lymph fluid
60.
What is the medical term for watery fluid inside the lympathic vessels?
a)
Plasma
b)
Lymph
c)
Blood
61.
What part of the lymphatic system filters foreign material from blood and destroys old RBCs?
a)
spleen
b)
lymph nodes
c)
thymus 
d)
lymphatic vessels
62.
Which of the following is NOT a function of the lymphatic system?
a)
removes excess fluid from around organs
b)
absorbs/transports fats
c)
circulates blood
d)
produces white blood cells
63.
Which of the following cells are responsible for fighting diseases? 
a)
White Blood Cells
b)
Red Blood Cells
64.

Which immune system organ is found in the back of the throat?

a)

thymus

b)

spleen

c)

tonsil

d)

liver

65.

Which are part of the integumentary system?

a)

Muscles, skeleton, bone marrow

b)

Hair, skin, bones

c)

Hair, skin, nails

d)

Brain, spinal cord, nerves

66.

Which is not a function of the integumentary system?

a)

Protection against foreign objects

b)

Sweating/cooling

c)

Insulating/warming

d)

Urinating

67.

How is your body cooled?

a)

Hair

b)

Fat

c)

Oil glands

d)

Sweat

68.

What's the outer-most layer of your skin called?

a)

Epidermis

b)

Dermis

c)

Subcutaneous fat layer

d)

All of the above

69.

What is the largest organ of your body?

a)

Liver

b)

Kidneys

c)

Skin

d)

None of the above

70.
Which is NOT a function of the skin?
a)
Insulation
b)
Movement
c)
Excretion
d)
Vitamin D Production
71.
The coloring in the skin; found in the epidermis.
a)
Melanin
b)
Oil
c)
Perspiration
d)
Pores
72.
The waterproofing protein that fills the cells in the upper layers of the epidermis.
a)
Keratin
b)
Melatonin
c)
Melanin
d)
Actin
73.
What is the name of tube that our hair grows from?
a)
Follicle
b)
Root
c)
Shaft
d)
Sebaceous
74.
As part of the skeletal system, bones do all of the following except
a)
protect organs
b)
store calcium
c)
make nerve cells
d)
make blood
75.

What 2 systems: Allows for movement

a)

Muscular and Skeletal

b)

Endocrine and Skeletal

c)

Nervous and Circulatory

d)

Integumentary and Reproductive

76.

Which two body systems interact to send oxygen throughout the body?

a)

Nervous and Digestive

b)

Respiratory and Cardiovascular

c)

Excretory and Endocrine

d)

Cardiovascular and Skeletal

77.
Which two body systems work together to break down food and get rid of wastes?
a)

digestive and urinary

b)
digestive and circulatory
c)
excretory and respiratory
d)
nervous and digestive
78.

When your body comes in contact with a sharp object, an impulse sent you your brain triggers a reflex that causes you to move away from the object. What body systems are interacting to cause this response?

a)

Nervous, Respiratory,

b)

Nervous, Muscular

c)

Nervous, Skeletal

d)

Nervous, Digestive

79.

Olympic sprinters undergo increased heart and breathing rates while competing. Which of the following best describes the interactions among systems of a sprinter?

a)

Respiratory system is working to obtain more oxygen, while the cardiovascular system works to transport the oxygen to the muscles.

b)

The digestive system takes in more glucose, while the excretory system removes waste.

c)

The endocrine system transports ATP to the nervous system

d)

Excretory system removes waste from the digestive system to reduce weight so the sprinter can run faster

80.

Kidneys are part of the urinary system in a human body. They purify the impure blood and send it back to the rest of the body. Which system is mainly responsible for the transport of blood to the kidneys?

a)

Respiratory system

b)

Cardiovascular system

c)

Muscular system

d)

Nervous system

81.

Dialysis is a medical treatment used when a person’s kidneys are no longer able to function. During this process, a machine uses an artificial membrane to remove waste products from the blood. Which body system below is not functioning properly in a person who requires dialysis?

a)

Endocrine system

b)

Integumentary system

c)

Urinary system

d)

Circulatory system

82.

The digestive system is made up of which of the following organs?

a)

Brain, nerves and spinal cord

b)

Lungs, trachea and mouth

c)

Esophagus, stomach, small intestine and large intestine

d)

Mouth, brain, cells and large intestine

83.

The respiratory system consists of what organs?

a)

Mouth, stomach, small intestine, large intestine

b)

Heart, cells, lungs

c)

Brain, spinal cord, nerves

d)

Mouth, nose, trachea, lungs

84.

What is a major role of the endocrine system?

a)

release hormones to control many body functions

b)

digest and absorb food

c)

transport nutrients through the blood

d)

first line of defense from infection

85.

The cardiovascular system interacts with the ______ system to remove waste from our blood and produce urine.

a)

nervous

b)

endocrine

c)

urinary

d)

digestive