wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Circulatory and Respiratory Systems

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which body system is shown here?

a)

circulatory system

b)

respiratory system

2.

Which body system is shown here?

a)

circulatory system

b)

respiratory system

3.

What is the main organ in the respiratory system?

a)

lungs

b)

heart

c)

vein

d)

artery

4.

What is the main organ in the circulatory system?

a)

lungs

b)

heart

c)

diaphragm

d)

bronchi

5.

Which cell part has a similar function to the circulatory system?

a)

mitochondria

b)

ER/Golgi body

c)

nucleus

d)

chloroplast

6.

You breathe in ___________ and breathe out ___________

a)

carbon dioxide, oxygen

b)

oxygen, carbon dioxide

7.

Arteries carry blood ____________________, veins carry blood _________________

a)

back to the heart, away from the heart

b)

away from the heart, back to the heart

c)

to outer space, back to Earth

d)

to the front office, to Mrs. Ritter's room

8.

What is the main function of the Respiratory System?

a)

blood transports nutrients and gases through the body

b)

exchanges gases between the body and the environment

c)

breaks down food to provide energy

d)

removes solid, liquid and gas waste from the body

9.

The trachea is also known as

a)

the lungs

b)

the windpipe

c)

the esophagus

d)

the bronchi

10.

What is the main function of the circulatory system?

a)

blood transports nutrients, gases and other substances throughout the body

b)

exchanges gas between the body and environment

c)

controls all the other body systems

d)

works with the skeletal system to help you move

11.

As your physical activity ____________, your heart rate ___________ and your breathing rate _______________

a)

decreases, increases, stays the same

b)

increases, increases, increases

c)

increases, decreases, increases

d)

decreases, stays the same, increases

12.

Which of these is NOT part of the circulatory system?

a)

capillary

b)

vein

c)

artery

d)

trachea

13.

What is the main function of blood?

a)

supports and protects your body

b)

it removes liquid waste from the body

c)

it sends signals to your brain

d)

it carries oxygen to all your body cells and returns carbon dioxide to the lungs

14.

Which of these is NOT part of the respiratory system?

a)

diaphragm

b)

lungs

c)

artery

d)

trachea

15.

How do the Circulatory and Respiratory Systems work together?

a)

you inhale oxygen, your blood delivers that oxygen to your cells and brings CO2 back to lungs to exhale

b)

your circulatory and respiratory systems don't work together

c)

the circulatory system helps your respiratory system digest food