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Circulatory System Facts For Kids Quiz

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1. What is the main function of the heart in the circulatory system?

2. Which type of blood vessel carries blood away from the heart?

3. What is the smallest type of blood vessel in the human body?

4. How many chambers does a human heart have?

5. What color is oxygen-rich blood?

6. Which organ is responsible for removing waste from the blood?

7. What is the role of red blood cells in the circulatory system?

8. What type of circulation sends blood from the heart to the lungs and back?

9. Which component of the blood helps with clotting?

10. What is the term used to describe the network of blood vessels that supplies the heart muscle with oxygen?