in different books there are 2 Chember or 3 Chember but I am totally confused .... plz give me answer with explanation and my teacher tells mi the answer is (b)
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Explanation:
Humans, birds, and mammals have a four-chambered heart. Fish have a two-chambered heart, one atrium and one ventricle.
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Answer:
Two chambered heart has one auricle and one ventricle and is found in fishes.
Explanation:
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