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Questions and Answers
Which organ pumps blood through the blood vessels of the circulatory system?
Which organ pumps blood through the blood vessels of the circulatory system?
- Kidneys
- Heart (correct)
- Lungs
- Liver
How many chambers does the heart have in humans, other mammals, and birds?
How many chambers does the heart have in humans, other mammals, and birds?
- Two chambers
- Three chambers
- Four chambers (correct)
- Five chambers
Where is the heart located in humans?
Where is the heart located in humans?
- Between the lungs (correct)
- In the head
- Between the kidneys
- In the abdomen
What prevents backflow of blood in a healthy heart?
What prevents backflow of blood in a healthy heart?
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What encloses the heart and contains a small amount of fluid?
What encloses the heart and contains a small amount of fluid?
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