Cardiovascular System Worksheet
A Grade 7 science worksheet covering the basics of the human cardiovascular system, including heart function, blood vessels, and blood components.
Includes
Standards
Topics
Cardiovascular System Exploration
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Read each question carefully and answer to the best of your ability. Use the provided image to help you answer questions about the heart's structure.
1. What is the primary function of the cardiovascular system?
To digest food
To transport blood, oxygen, and nutrients
To control body movement
To filter waste from the blood
2. Which type of blood vessel carries oxygen-rich blood away from the heart?
Veins
Arteries
Capillaries
Venules
3. The heart is a muscular organ that pumps blood throughout the body through a network of .
4. Red blood cells are responsible for carrying from the lungs to the rest of the body.
5. Label the four main chambers of the heart on the diagram below:

a.
b.
c.
d.
6. Arteries carry blood towards the heart.
True
False
7. The human heart has two chambers.
True
False
8. Briefly explain the difference between pulmonary circulation and systemic circulation.