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What is it called when the heart is contracting or pumping?
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Read moreWhere does oxygen rich blood from the lungs enter the heart?
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Read moreBlood flow begins where?
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Blood flow begins where?At the[…]
Read moreWhat do the lungs load and unload?
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Read more“In humans, the right side of the heart pumps…”
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.“In humans, the right side[…]
Read more“In humans, the left side of the heart pumps…”
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.“In humans, the left side[…]
Read moreWhat type of circulation do reptiles have?
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Read moreHow many chambers do amphibians have?
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Read morehow many chambers does a fish have?
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