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Name: _________________________________ Date: __________ Period: _____ TOC # _____ Brain Pop Heart Quiz Write the letter of the best answer choice on the line beside the question number. _____ 1. How is the heart different from the other muscles in your body? A. It's not made out of muscle tissue C. It needs at least 10 hours of rest per day B. It never gets tired D. It is much smaller than your other muscles _____ 2. What substance is in the blood that the heart pumps throughout your body? A. Calcium C. Carbon dioxide B. Mucus D. Oxygen _____ 3. What is the main difference between your ventricles and your atria? A. Your atria bring blood into the heart; your ventricles pump it out B. Your atria enrich blood with oxygen; your ventricles remove it C. Your atria are connected to your arteries; your ventricles are connected to your veins D. Your atria are made of muscle; your ventricles are made of fatty tissue _____ 4. Place the following events in sequence: A) The atria fill with blood; B) The valve between the ventricles and atria close; C) Blood is pushed out of the heart A. A, C, B B. B, C, A C. A, B, C D. B, A, C _____ 5. Which body part is roughly the same size as your heart? A. your fist B. your foot C. your brain D. your head _____ 6. What happens after old blood, which has already circulated through the body, moves into the heart? A. The old blood is sent to the kidneys, where it is removed from the body B. The old blood is re-circulated through the body C. The old blood travels to the lungs for more oxygen D. The old blood is removed from the body through the digestive system _____ 7. What role does your brain play in the circulation of blood through your body? A. It tells the body where blood is needed most B. It signals the heart to beat C. It signals the lungs to enrich your blood with oxygen D. It signals your arteries and veins to open and close _____ 8. What word best describes the beating of the heart and the circulation of blood? A. Voluntary B. Infrequent C. Intermittent D. Automatic _____ 9. What can you infer from the fact that your heart beats faster when you exercise? A. When you exercise, your muscles need more oxygen B. When you exercise, you feel especially nervous C. When you exercise, your brain becomes hyperactive D. When you exercise, your cells need more carbon Dioxide _____ 10. How long does it take for your heart to pump blood through your entire body? A. About a minute C. About 15 minutes B. About seven minutes D. About half an hour
