Cardiovascular System Worksheet
Explore the fascinating world of the human cardiovascular system with this worksheet for Grade 6 students. Learn about the heart, blood vessels, and blood.
Includes
Standards
Topics
Cardiovascular System Basics
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Date:
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Read each question carefully and answer to the best of your ability. Good luck!
1. What is the main organ of the cardiovascular system?
Lungs
Brain
Heart
Stomach
2. Which type of blood vessel carries blood away from the heart?
Veins
Arteries
Capillaries
Nerves
3. The cardiovascular system is responsible for transporting and nutrients throughout the body.
4. Red blood cells contain , which carries oxygen.
5. Briefly describe the function of the heart.
6. Arteries carry oxygen-rich blood.
True
False
7. White blood cells fight infections in the body.
True
False
8. Examine the diagram of the human heart below and answer the questions.

a) What is the name of the main organ shown in the diagram?
b) What is the purpose of this organ?