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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?
- The brain
- The liver
- The lungs
- The heart (correct)
Where is the heart located in humans?
Where is the heart located in humans?
- In the legs
- In the head
- In the abdomen
- Between the lungs (correct)
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?
- Four chambers (correct)
- Five chambers
- Three chambers
- Two chambers
Which chamber of the heart carries oxygenated blood?
Which chamber of the heart carries oxygenated blood?
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What prevents backflow of blood in the heart?
What prevents backflow of blood in the heart?
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