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Worksheets

Body Systems

Total questions: 43

Worksheet time: 28mins

Name
Class
Date
1.

What is the function of the respiratory system?

a)

to take in oxygen and excrete carbon dioxide

b)

to excrete wastes from the body

c)

to pump blood throughout the body

d)

to break down food into useful nutrients

2.

What is the function of the circulatory system?

a)

to take in oxygen and excrete carbon dioxide

b)

to excrete wastes from the body

c)

to pump blood throughout the body

d)

to break down food into useful nutrients

3.

The circulatory system and the respiratory system work together to do which of the following?

a)

transport nutrients to the rest of the body

b)

transport oxygen to the rest of the body

c)

remove wastes from the body

d)

allow the body to move from one place to another

4.

largest bone in our body

a)

femur

b)

patella

c)

skull

d)

skeleton

5.

The skeletal system and the muscular system work together to do which of the following?

a)

transport nutrients to the rest of the body

b)

transport oxygen to the rest of the body

c)

remove wastes from the body

d)

allow the body to move from one place to another

6.

One important organ of the circulatory system is the heart. The heart's job is to

a)

break down food into tiny particles.

b)

send and receive messages from the brain.

c)

pump blood to other parts of the body.

d)

help move bones so that organisms can walk.

7.

Which body system supports muscles and organs and helps an animal move from one place to another?

a)

respiratory system

b)

nervous system

c)

skeletal system

d)

excretory system

8.

Which systems are responsible for removing carbon dioxide from the body? Select two correct answers.

a)

A. The endocrine system

b)

B. The circulatory system

c)

C. The muscular system

d)

D. The respiratory system

e)

E. The integumentary system

9.

Which structure in the heart prevents backflow of blood in the circulatory system?

a)

A . aorta

b)

B. valve

c)

C. muscle

d)

D. chambe

10.

What is the main function of the circulatory system?

a)

A . To distribute blood throughout the body

b)

B. To remove excess and waste materials from the body

c)

C. To secrete hormones in different areas of the body

d)

D. To coordinate the actions of the body

11.

Which of the following accurately describes the relationship between the lungs, the trachea, and the alveoli in the respiratory system?

a)

A . They work together to allow gas exchange.

b)

B. They work together to obtain nutrients to deliver to cells.

c)

C. They work together but with completely separate functions.

d)

D. They work together to transport blood.

12.

What happens when the bicep contracts?

a)

the tricep relaxes

b)

the tricep contracts

c)

the bicep relaxes

d)

the bicep freezes

13.

 

One of the main functions of the respiratory system is to —

a)

A . provide a large surface area for gas exchange due to alveoli in the lungs.

b)

B. transport hormones throughout the body to stimulate chemical signals.

c)

C. absorb and distribute nutrients.

d)

D. release liquid waste products.

14.

Select the best answer for the main organs of the Skeletal System.

a)

Bones, Cartilage, Ligament

b)

Cartilage, Lung, Bones

c)

Ligament, Muscle, Blood Vessels

d)

Trachea, Bones, Muscle

15.

Which of the following is not a main function of the muscular system?

a)

A . To attach to bones and help the body move

b)

B. To protect the body's internal organs

c)

C. To control the flow of blood into and out of the heart

d)

D. To produce mucus to lubricate the body's joints

16.

How many bones are there in the human body?

a)

331

b)

206

c)

252

d)

395

17.

What is the difference between bone and cartilage?

a)

Bone is rubbery and cartilage is firm

b)

Cartilage is rubbery and bone is firm

c)

Bone is a more primitive tissue than cartilage

d)

Bone is inside the body and cartilage is not

18.

Muscles pull on _______ to help you move.

a)

Body parts

b)

Other muscles

c)

Bones

19.

What is the function of a tendon?

a)

To connect bones to bones

b)

To connect musles to bones

c)

To connect muscles to ligaments

d)

To bind the cell in compact bone closer together

20.

_________ bring blood to the heart

a)

Capillaries

b)

Veins

c)

Valves

d)

Arteries

21.

What is this bone?

a)

Humerous

b)

Ulna

c)

Fibula

d)

Tibia

22.

Name the blue highlighted section

a)

Back bone

b)

Fibula

c)

Patella

d)

Radius

23.

The colored muscles are ______

a)

Soleus

b)

Gastrocnemius

c)

Triceps

24.

There are roughly ___ muscles in the human body

a)

206

b)

600

c)

560

d)

700

25.

The three types of muscles in the body are:

a)

Smooth, skeletal and cardiac

b)

Smooth, skeletal and digestive

c)

Skeletal, biceps and triceps

d)

Cardiac, digestive and smooth

26.

Which of the following is classified as a long bone

a)

scapula

b)

frontal bone

c)

clavicle

d)

pelvis

27.

As one muscle contracts, the other...

a)

Contracts

b)

Relaxes

c)

Pulls

d)

Stretches

28.

Name this muscle

a)

Pectoralis Major

b)

Deltoid

c)

Rhomboid

d)

None of the above

29.

Name this muscle

a)

Quadricep

b)

Abdominals

c)

Latissimus Dorsi

d)

Hamstrings

30.

Which side of the heart has deoxygenated blood?

a)

Right side

b)

Left side

31.

Why does your heart rate increase when your activity level increases?

a)

Your cells need more oxygen to be sent to them

b)

You are breathing harder

c)

You need to digest more food to get energy

d)

Your heart is slowing down

32.

__________ take blood away from the heart

a)

Capillaries

b)

Veins

c)

Valves

d)

Arteries

33.

These connent to other vessels allowing the blood to exchange oxygen and carbon dioxide

a)

Capillaries

b)

Veins

c)

Valves

d)

Arteries

34.

When you inhale, air enters the body through the _______ and ______

a)

Heart and lungs

b)

Ears and mouth

c)

Mouth and nose

d)

Nose and skin

35.

Air travels down the trachea into two branching tubes called what?

a)

Lungs

b)

Bronchioles

c)

Bronchi

d)

Alveoli

36.

What are the broccoli shaped air sacs in your lungs called?

a)

Larynx

b)

Bronchi

c)

Alveoli

d)

Capillaries

37.

What does exercise do to your breathing rate?

a)

Increase

b)

Decrease

c)

Stays the same

d)

None of the above

38.

kneecap

a)

patella

b)

femur

c)

cartilage

d)

joint

39.

Name this bone

a)

Clavicle

b)

Skull

c)

Humerus

d)

Ulna

40.

Name this bone

a)

Rib cage

b)

Pelvis

c)

Carpals

d)

Tarsals

41.

This muscle is a _____

a)

Deltoids

b)

Triceps

c)

Trapezius

42.

Name this muscle

a)

Biceps

b)

Abdominals

c)

Pectoralis major

d)

Triceps

43.

What bone is the arrow pointing to?

a)

rib

b)

spine

c)

scapula

d)

clavicle