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Worksheets

Cardiovascular System

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

What does the right side of the heart do?

a)

Receives blood from the body and pumps it to the lungs.

b)

Pumps oxygenated blood to the body.

c)

Filters waste from the blood.

d)

Regulates blood pressure.

2.

What is the function of veins?

a)

Carry blood away from the heart.

b)

Carry oxygenated blood to the body.

c)

Carry blood towards the heart.

d)

Transport nutrients to the cells.

3.

How big is the heart?

a)

About the size of a grapefruit.

b)

The size of your fist.

c)

As big as a basketball.

d)

The size of a pea.

4.

What are the two chambers on the bottom of the heart called?

a)

Atria

b)

Ventricles

c)

Arteries

d)

Veins

5.

What is the term for the heart's natural pacemaker?

a)

Atrioventricular (AV) node

b)

Sinoatrial (SA) node

c)

Bundle of His

d)

Purkinje fibers

6.

What is the name of the chamber that receives blood from the body?

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

7.

What is the main function of the heart?

a)

To pump blood throughout the body.

b)

To filter toxins from the blood.

c)

To produce hormones for the body.

d)

To regulate body temperature.

8.

What is the function of the heart valves?

a)

To allow free flow of blood in any direction.

b)

To prevent backflow of blood.

c)

To increase blood pressure in the arteries.

d)

To store oxygen for the body.

9.

What are the small blood vessels that connect arteries and veins called?

a)

Veins

b)

Arteries

c)

Capillaries

d)

Aneurysms

10.

What is the name of the chamber that pumps blood to the body?

a)

Right Atrium

b)

Left Ventricle

c)

Right Ventricle

d)

Left Atrium

11.

What is the role of the right ventricle?

a)

Pumps deoxygenated blood to the lungs.

b)

Pumps oxygenated blood to the body.

c)

Filters waste from the blood.

d)

Regulates blood pressure.

12.

What is the role of the left atrium?

a)

Receives oxygenated blood from the lungs.

b)

Pumps deoxygenated blood to the lungs.

c)

Receives blood from the body.

d)

Pumps oxygenated blood to the body.

13.

What is the largest artery in the body?

a)

Aorta.

b)

Pulmonary artery.

c)

Femoral artery.

d)

Coronary artery.

14.

What type of blood do veins carry?

a)

Oxygenated blood

b)

Deoxygenated blood (except for the pulmonary vein)

c)

Nutrient-rich blood

d)

Carbon dioxide-rich blood

15.

What type of blood do arteries carry?

a)

Oxygenated blood (except for the pulmonary artery).

b)

Deoxygenated blood

c)

Mixed blood

d)

Nutrient-rich blood