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Circulatory System

Total questions: 18

Worksheet time: 11mins

Name
Class
Date
1.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

2.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

3.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

4.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

5.

The heart is about the size and shape of your . . .

a)

head

b)

fist

c)

hand

d)

foot

6.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
7.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
8.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
9.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
10.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
11.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
12.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
13.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
14.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
15.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
16.

This chamber of the heart RECEIVES oxygen rich blood back from the lungs

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

17.

This chamber of the heart pumps the blood from the heart to the lungs through the pulmonary artery

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

18.

This chamber of the heart pumps the blood back out to the body cells through the Aorta

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle