Question 1 of 5
What is the primary function of the circulatory system?
Question 2 of 5
Which component of blood is primarily responsible for carrying oxygen?
Question 3 of 5
What is the main function of arteries in the circulatory system?
Question 4 of 5
Which part of the heart is responsible for pumping oxygenated blood to the rest of the body?
Question 5 of 5
What is the role of veins in the circulatory system?
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