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Body Systems Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which muscles does the brain control?

a)

Smooth muscle

b)

Involuntary muscles

c)

Reflexes

d)

Voluntary Muscles

2.

Why does your heart beat?

a)

The reflexes in your heart make your heart pump blood.

b)

The cardiac muscles contract and pump blood through the chambers of your heart.

c)

You voluntarily send messages from your brain to your heart that tell it to pump blood throughout your body.

d)

Smooth muscles in the heart move and make the heart pump blood throughout your body.

3.

Which of the following are made of smooth muscles?

a)

Blood vessels, biceps, lungs

b)

Biceps, lungs, heart

c)

Digestive system, lungs, blood vessels

d)

Heart, lungs, digestive system

4.

What are skeletal muscles used for?

a)

To aid in body movement

b)

To pump blood throughout the body

c)

To assist in breathing

d)

To send messages from your muscles to your brain

5.

What do your tendons connect muscle to?

a)

Other muscles

b)

Bones

c)

Reflexes

d)

Organs

6.

What protects the body from things like hot stoves?

a)

Voluntary muscles

b)

Tendons

c)

Reflexes

d)

Skeletal muscles

7.

Why are you not able to control your reflexes?

a)

Because they are controlled by your spinal cord.

b)

Because they are controlled by your brain.

c)

Because they are controlled by voluntary muscles.

d)

Because they are controlled by your circulatory system.

8.

Why do humans have bones?

a)

To protect their organs

b)

To help take in food and nutrients.

c)

To aid in breathing.

d)

To send messages from the brain to other parts of the body.

9.

What is one purpose of cartilage?

a)

It cushions the bones to keep them from grinding together.

b)

It allows your head to turn.

c)

It protects your internal organs.

d)

It prevents your bones from being broken.

10.

Which bones are not fully moveable?

a)

The hip bones.

b)

The leg bones.

c)

The bones of the skull.

d)

The arm bones.

11.

What do you call the long, thin bone in your arm?

a)

Patella

b)

Radius

c)

Fibula

d)

Tibia

12.

What are the connective tissues that keep your bones attached to each other?

a)

Joints

b)

Tendons

c)

Cartilage

d)

Ligaments

13.

What does the sternum do?

a)

It protects the spinal cord.

b)

It allows the ribs to expand and contract with each breath.

c)

It connects muscle to bone.

d)

It cushions bones to keep them from grinding together.

14.

What is the function of your neck, which is a pivot joint?

a)

It cushions the bones in your neck.

b)

It protects your spinal cord.

c)

It allows you to turn your head.

d)

It protects your brain.

15.

Which of the following are parts of the circulatory system?

a)

Heart, esophagus, veins, capillaries

b)

Heart, brain, arteries, lungs

c)

Heart, veins, arteries, capillaries

d)

Heart, spine, veins, brain

16.

What is the function of the RIGHT side of the heart?

a)

It takes in oxygen-rich blood from the lungs.

b)

It carries oxygen and nutrients from the arteries to the tissues.

c)

It releases oxygen-rich blood into the veins.

d)

It takes in blood from the body that has no oxygen.

17.

How does blood flow into the right atrium?

a)

Through the vena cava.

b)

Through the aorta.

c)

Through the pulmonary artery.

d)

Through the left ventricle.

18.

What do arteries do?

a)

Carry blood with no oxygen to the heart.

b)

Carry oxygen-rich blood away from the heart.

c)

Carry blood with no oxygen away from the heart.

d)

Carry oxygen-rich blood to the heart.

19.

Which of the following carries oxygen and nutrients from arteries to the tissues?

a)

Veins

b)

The aorta

c)

The right ventricle

d)

Capillaries

20.

Where does blood go after it leaves the right side of the heart?

a)

Into the lungs

b)

Into the capillaries

c)

Into the left side of the heart

d)

Into the aorta

21.

Which vein is the only vein that carries oxygen-rich blood?

a)

The vena cava

b)

The pulmonary vein

c)

The aorta

d)

The left atrium

22.

Which of the following is a part of the nervous system?

a)

Lungs

b)

The heart

c)

The spinal cord

d)

Skin

23.

What are the two parts of the nervous system?

a)

The brain and the heart

b)

The central nervous system and the peripheral nervous system

c)

The neurons and the dendrites

d)

The cerebrum and the medulla

24.

What are the three main parts of the brain?

a)

Brain stem and medulla, neurons, and cerebrum

b)

Cerebrum, motor nerves, and brain stem

c)

Cerebrum, cerebellum, and spinal cord

d)

Cerebrum, cerebellum, and brain stem and medulla

25.

Whose job is it to carry nerve impulses away from a cell body in a neuron?

a)

Axons

b)

Dendrites

c)

Spinal Cord

d)

Synapses

26.

Which part of the brain helps you learn new things in gym class?

a)

Cerebellum

b)

Cerebrum

c)

Brain stem and medulla

d)

Motor nerves

27.

What is the purpose of neurons?

a)

Neurons control a person’s senses, thoughts, and imagination.

b)

Neurons coordinate a person’s skeletal muscles.

c)

Neurons transmit messages throughout the body.

d)

Neurons control heartbeat, breathing, blood pressure, and the digestive system.

28.

What does the peripheral nervous system do?

a)

Helps you learn new facts

b)

Helps nerve impulses move from one neuron to another

c)

Controls your imagination

d)

Delivers messages from the central nervous system to the rest of your body

29.

What does every cell in your body need to move, reproduce, and turn food into energy?

a)

Carbon dioxide

b)

Blood

c)

Lymph nodes

d)

Oxygen

30.

What is respiration?

a)

The body’s way of dispelling wastes.

b)

The body’s process of getting oxygen and eliminating carbon dioxide.

c)

The body’s method of circulating blood.

d)

The body’s response to stimuli.

31.

Where is your diaphragm located?

a)

Below your rib cage

b)

Underneath your trachea

c)

Above your lungs

d)

Behind your heart

32.

Where does air go after it enters your nose and mouth?

a)

The lungs

b)

The alveoli

c)

The bronchial tubes

d)

The trachea

33.

What is the function of alveoli?

a)

They process oxygen and send it out to be exhaled.

b)

They process carbon dioxide to be used throughout the body.

c)

They process carbon dioxide and send it out to be exhaled and send fresh oxygen into your blood.

d)

None of the above.

34.

What is the main organ involved in respiration?

a)

The lungs

b)

The brain

c)

The heart

d)

The stomach

35.

Where does the air go right after it leaves your bronchial tubes?

a)

To the trachea

b)

To the alveoli

c)

To the bronchioles

d)

To the heart

36.

What is the purpose of digestion?

a)

To aid in body movement.

b)

To circulate blood to all of the cells in the body.

c)

To eliminate waste from the body.

d)

To break down food into simple substances that the body can use.

37.

Where does digestion begin?

a)

In the mouth

b)

In the esophagus

c)

In the small intestines

d)

In the stomach

38.

Which of these is the tube that transports food down into the stomach?

a)

The small intestine

b)

The mouth

c)

The esophagus

d)

The large intestine

39.

What do the gastric juices in the stomach do?

a)

They start the breakdown of proteins in the food pieces.

b)

They help break down and absorb fats.

c)

They absorb nutrients into your blood.

d)

They move sugar from the blood to the body cells.

40.

What happens to the material that is not absorbed by the small intestine?

a)

It is broken down into protein in the stomach.

b)

It passes into the large intestine.

c)

It is turned into sugar in the pancreas.

d)

It moves to the liver.

41.

What does the pancreas do?

a)

It absorbs water and vitamins from undigested materials.

b)

It produces bile, which breaks down and absorbs fats.

c)

It is made up of villi, which absorb nutrients into your blood.

d)

It produces insulin, which moves sugar into the cells.

42.

Which organ is responsible for breaking down and absorbing fats?

a)

The small intestine

b)

The stomach

c)

The liver

d)

The large intestine

43.

What is the purpose of the immune system?

a)

It circulates blood throughout your body.

b)

It helps you move and protects your organs from damage.

c)

It helps you absorb food and nutrients into your body.

d)

It keeps you from getting sick and helps you get well once you are sick.

44.

Which of the following are parts of the immune system?

a)

Skin, heart, white blood cells

b)

Skin, white blood cells, lymph nodes

c)

White blood cells, red blood cells, lymph nodes

d)

Lymph nodes, skin, brain

45.

What is your skin’s function?

a)

It protects your insides from germs.

b)

It produces more white blood cells when you are sick.

c)

It attacks germs when you are sick.

d)

It traps bacteria and viruses.

46.

Which of these attacks the germs in your body when you are sick?

a)

Skin

b)

White blood cells

c)

Lymph nodes

d)

Bone marrow

47.

What are lymph nodes?

a)

Protection that keeps you from getting sick.

b)

Filters that trap bacteria and viruses.

c)

Cells that attack germs when you are sick.

d)

Organisms that produce white blood cells.

48.

Why do the lymph nodes in your jaw swell up when you have a sore throat?

a)

Because there are more white blood cells there to fight germs.

b)

Because the bone marrow in your throat has become inflamed.

c)

Because the skin around your throat is also infected.

d)

Because there are more red blood cells in areas that are infected with germs.

49.

What causes chickenpox?

a)

Bacteria

b)

Bone marrow

c)

A fungus

d)

A virus

50.

What is the function of red blood cells?

a)

Delivering oxygen to the cells in your body.

b)

Removing carbon dioxide from your body.

c)

Keeping you healthy.

d)

Delivering messages from the brain to other parts of your body.