Mammals and birds have four hearts. (2 hearts and 2 ventricles) Mammals such as dogs, cats, tigers, and humans have 4 ventricles. Why do you need four heart chambers instead of two like some animals? What kind of animal has two heart chambers? --Quora What are the benefits of having four birds and mammals why does a crocodile have a four-room heart? --Quora Другиерезультатыссайта www.quora.com
Which animal has a four-chamber heart?
Mammals and birds have a four-chamber heart without blood mixing or double circulation.
How many hearts does a tiger have?
Mammals and birds have four ventricles. (Two ventricles and two ventricles) Mammals such as dogs, cats, tigers, and humans have four ventricles. 2017
Does the lion have a four-chamber heart?
Birds (such as pigeons) and mammals (such as lions) have four-chamber hearts, and Pisces (such as fish) have two-chamber hearts.
Which animal has a five-chamber heart?
& gt;Earthworms. Depending on how the term is defined, earthworms either have five hearts or no hearts at all. They lack the chamber-like muscular organs that normally float in the head, but have five special blood vessels called the aortic arch that contract to pump blood through the worm's body.
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