3 Questions
Which organ is responsible for pumping blood throughout the body?
Heart
Where does the exchange of oxygen and carbon dioxide take place in the circulatory system?
Alveoli in the lungs
Which blood vessels carry blood away from the heart?
Arteries
Test your knowledge of the circulatory system with this quiz! Learn how the heart pumps blood, where oxygen and carbon dioxide exchange occurs, and which blood vessels carry blood away from the heart. Perfect for biology students and anyone interested in understanding how our bodies transport essential substances.
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