wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Circulatory and Respiratory System Review

Total questions: 40

Worksheet time: 21mins

Name
Class
Date
1.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
2.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
3.

A flap of tissue that prevents blood from flowing backward

a)

Aorta

b)

Atrium

c)

Septum

d)

Valve

4.
Carry blood away from heart; mostly oxygen-rich
a)
Arteries
b)
Veins
c)
Capillaries
5.

What does the Circulatory System do?

a)

Circulates the Blood from the right side to the lungs and then the left side to the body

b)

Circulates the Blood from the left side to the lungs and then the right side to the body

c)

Circulates only oxygenated blood.

d)

Controls all parts of the body

6.
Red blood cells transport __________ around our body.
a)
oxygen
b)
plasma
c)
bones
d)
cardiac muscles
7.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
8.
The bottom chambers of the heart are called
a)
ventricles
b)
atria
c)
vena cava
d)
valves
9.
Which 2 substances are exchanged in the Respiratory System?
a)
oxygen and nitrogen
b)
carbon dioxide and oxygen
c)
oxygen and glucose
d)
glucose and carbon dioxide
10.

The place in the lungs where gas exchange occurs?

a)

Diaphragm

b)

Alveoli

c)

Bronchi Tube

d)

Trachea

11.

Which letter is responsible for inflating and deflating our lungs?

a)

A: Nose

b)

B. Trachea

c)

C. Lung

d)

D. Diaphragm

12.
Tubes that move air from the trachea to the lungs.
a)
Alveoli
b)
Bronchi
c)
Veins
d)
Arteries
13.

What is the gas we exhale?

a)

Carbon Dioxide

b)

Nitrogren

c)

Oxygen

d)

carbon

14.
What is the gas that we inhale?
a)
Oxygen
b)
Gasoline
c)
Carbon Dioxide
d)
Methane
15.
A blood vessel that carries blood TO the heart is called ...
a)
vein
b)
capillary
c)
blood vessel
d)
artery
16.
Exchanging carbon dioxide (CO2) and oxygen (O2) is the main function of
a)
respiratory system
b)
cardiovascular (circulatory) system
17.
The job of the red blood cell is to
a)
fight infection
b)
deliver oxygen and discard carbon dioxide
c)
form scabs
18.
The four parts of the blood are
a)
plasma, platelets, red blood cells, white blood cells
b)
plasma, blue blood cells, white blood cells, red blood cells
c)
ventricle, atrium, vein, artery
19.
The air sacs in the lungs are called
a)
bronci
b)
lasagne
c)
alveoli
20.
Capillaries connect veins to
a)
other capillaries
b)
veins
c)
arteries
21.
The right side of the heart sends blood to the 
a)
body
b)
lungs
22.

Your pulse tells how fast your ___________ is beating. To check your pulse you need to find a

a)

heart , artery

b)

heart, vein

c)

heart, capillary

d)

lung, alveoli

23.
The left side of the heart sends blood out of the heart to 
a)
your lungs
b)
the rest of your body
24.

White blood cells

a)

carry oxygen and get rid of carbon dioxide

b)

form scabs

c)

fight disease and bacteria

d)

are made mostly of water and nutrients

25.

You have ____________atriums and _________ventricles.

a)

two, one

b)

two, two

c)

one, one

d)

four, four

26.

The tube that is in your throat (AKA: windpipe) that is part of the respiratory system is called the

a)

esophagus

b)

epiglottis

c)

bronchial tube

d)

trachea

27.
The more physically active you are, the more your body needs
a)
carbon dioxide
b)
oxygen
c)
hydrogen
28.

This part of blood will help fight off infection.

a)

Red Blood cells

b)

White blood cells

c)

Platelets

d)

Plamsa

29.

Which of the following is a synonym for the circulatory system?

a)

respiratory system

b)

digestive system

c)

nervous system

d)

cardiovascular system

30.

The smallest type of blood vessel is the:

a)

nerve

b)

vein

c)

capillary

d)

artery

31.

Arteries are bright red because they have _____ and veins are darker red because they have more __________

a)

oxygen, carbon dioxide

b)

oxygen, oxygen

c)

carbon dioxide, carbon dioxide

d)

skeletal

32.

The air sacs that are covered with capillaries where gas exchange takes place

a)

bronchi

b)

lungs

c)

oxygen

d)

alveoli

33.
How is carbon dioxide released from the body? 
a)
When we exhale
b)
When we urinate
c)
When we sweat
d)
When we inhale
34.

When you exercise, your heart beats faster because it is lacking in

a)

carbon dioxide

b)

red blood cells

c)

iron

d)

oxygen

35.
_________ return blood to the heart.
a)
arteries
b)
veins
c)
capillaries
capillaries
d)
nerves
36.

The heart is an important muscle in your body. The heart is a __________ muscle.

a)

smooth

b)

cardiac

c)

slow

d)

skeletal

37.

The _______ side of the heart works harder because it sends blood to the _______

a)

right, body

b)

right, lungs

c)

left, lungs

d)

left, body

38.

What do you call the little flap of tissue that blocks the trachea when we are eating?

a)

esophagus

b)

larynx

c)

pharynx

d)

epiglottis

39.

When we breath in . what is the path it takes?

a)

nose, bronchi, trachea, alveoli, lungs

b)

nose, trachea, bronchi, lungs, alveoli

c)

alveoli, lungs, trachea, nose

d)

trachea, alveoli, lungs, bronchi

40.

When our heart beats, what is the path it takes?

a)

left atrium, left ventricle, lungs, right atrium, right ventricle, body

b)

right atrium, left ventricle, body, left atrium, right ventricle, lungs

c)

right atrium, right ventricle, lungs, left atrium, left ventricle, body