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Worksheets

Circulatory System

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Which is responsible for providing oxygen to the cells?

a)

circulatory system

b)

muscular system

c)

nervous system

2.

Veins carry oxygen-poor blood back to the heart.

a)

False

b)

True

3.

Arteries carry oxygen-rich blood from the heart.

a)

True

b)

False

4.

The heart is the size of

a)

your thumb

b)

your fist

c)

your rib cage

d)

your kitchen table

5.

Which of the following delivers oxygen to the cells?

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Plasma

6.

True or False: the right atrium and the left atrium are the 2 chambers at the bottom of the heart

a)

True

b)

False

7.

True or False: the right ventricle and the left ventricle are the 2 chambers at the top of the heart

a)

True

b)

False

8.

How many chambers does a human heart have?

a)

1

b)

2

c)

3

d)

4

9.

This part of the blood helps to clot when you cut yourself.

a)

Red blood cells

b)

Plasma

c)

Platelets

d)

White blood cells

10.

_______ is composed mainly of water and makes up approximately 55% of the blood

a)

Plasma

b)

Platelets

c)

Red blood cells

d)

White blood cells