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The Circulatory System

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Blood circulation from the heart to the rest of the body is called
a)
Full body
b)
Systemic
c)
pulmonary
d)
heart to lung
2.
When oxygen-rich blood is carried AWAY from the heart, it travels through an...
a)
artery
b)
neuron
c)
vein
d)
straw
3.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
4.
What is the function of the heart?
a)
To pump blood around the body
b)
To remove oxygen from the blood
c)
To allow blood to flow through it 
d)
To breath
5.

Veins are blood vessels containing blood going to the heart

a)

True

b)

False

6.

The blood obtains the oxygen from which organ?

a)

Brain

b)

Lungs

c)

Heart

d)

Stomach

7.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

8.

Where in your body can you find blood vessels?

a)

around the heart

b)

in hands & feet

c)

in your head

d)

almost everywhere

9.

What does the Circulatory System do?

a)

Circulates the Blood throughout the body

b)

Circulates Water throughout the body

c)

Controls all parts of the body

10.

Which describes all the parts of the circulatory system?

a)

heart, lungs, stomach, muscles

b)

heart, blood and blood vessels

c)

bones, skin, hair

11.
What part of blood is responsible for carrying wastes, nutrients, and minerals?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
12.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

13.
Pulmonary referrs to the lungs, blood leaving the heart through the pulmonary artery is high in which gas?
a)
nitrogen
b)
carbon dioxide
c)
oxygen
d)
helium
14.

Q. What substance in Red blood Cells carries oxygen to the cells?

a)

a. Oxiclean

b)

b. Hemoglobin

c)

c. Plasma

d)

d. Platelets

15.

Which of the following is NOT a function of the circulatory system?

a)

circulate blood

b)

regulate calcium production

c)

carry nutrients and hormones through blood stream

d)

deliver oxygen to tissues

16.
The human heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, blood, and hormones to and from the tissues removing _________ ___________ and other wastes.
a)
hydrogen dioxide
b)
carbon moxoide
c)
water molecules
d)
carbon dioxide
17.
What is the function of the heart?
a)
To pump blood around the body
b)
To remove oxygen from the blood
c)
To allow blood to flow through it 
d)
To breath
18.

Veins carry blood _________ the heart.

a)

back to

b)

away from

c)

parallel to

19.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
20.

True or false:

Blood traveling in veins is blue.

a)

True

b)

False