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sertanlavr [38]
3 years ago
12

Question: Circulatory systems in organisms can be quite different, although they have similar functions. One difference is in th

e number of chambers in the heart of an organism. Discuss other differences and give examples of organisms that have different numbers of chambers in the heart.
Biology
1 answer:
damaskus [11]3 years ago
3 0
Two chambers - fishes (atrium and ventricle)
three chambers - amphibians (two atria and ventricle)
also reptiles have three chambers with incomplete separation in ventricle
crocodiles, birds and mammals have four chambers - two atria and two ventricles (complete separation)
other differences: arthropods and many other groups of invertebrates have an open circulatory system which means that vessels are open and blood/other fluid circulates partially in body cavity
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