wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Circulatory System

Total questions: 20

Worksheet time: 39mins

Name
Class
Date
1.

The system that delivers oxygen and gets rid of carbon dioxide.

a)

respiratory

b)

skeletal

c)

lymphatic

d)

digestive

2.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
3.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
4.

This organ pumps blood through your body.

a)

heart

b)

artery

c)

vein

d)

capillaries

5.

Which side of the heart pumps blood to the lungs?

(a)  

6.

The system that makes red blood cells.

a)

nervous

b)

circulatory

c)

respiratory

d)

skeletal

7.
What part of the heart is the arrow pointing to?
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
8.

Identify the chamber the arrow is pointing to.

a)

Left atrium

b)

Right atrium

c)

Left ventricle

d)

Right ventricle

9.
These blood vessels carry blood Away from the Heart
a)
Arteries
b)
Veins
c)
Capillaries
d)
Atrium
10.
These blood vessels carry our blood to the Heart.
a)
Arteries
b)
Capillaries
c)
Veins
d)
Ventricles
11.

The TOP two chambers of the heart are the

(a)  

12.

The Blood Vessels where the exchange of Oxygen and CO2 (carbon dioxide) takes place are the_______.

a)

Arteries

b)

Veins

c)

Capillaries

13.

The liquid portion of blood is called

a)

hemoglobin

b)

plasma

c)

lymphocyte

d)

platelets

14.

The BOTTOM two chambers of the heart are the

(a)  

15.

The cell fragments that help with blood clotting are called

a)

red blood cells

b)

leukocytes

c)

platelets

d)

plasma

16.

The iron rich protein that makes up red blood cells and allows them to carry oxygen is called

a)

hemoglobin

b)

erythrocytes

c)

leukocytes

d)

platelets

17.

Only one vein carries oxygen rich blood. It is the

a)

Pulmonary Artery

b)

Aorta

c)

Vena Cava

d)

Pulmonary Vein

18.
Identify the chamber the arrow is pointing to.
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
19.

The bundle of nerves that controls the heartbeat is called the _______________, and it is in the _________________ of the heart.

a)

AV node, Left Atrium

b)

AV node, Right Ventricle

c)

SA node, Left Atrium

d)

SA node, Right Atrium

20.

Which side of the heart pumps blood to the body?

(a)