CBSE Class 10 Answered
sir how would you say that the blood flows twice in the heart
Asked by bhanumathi | 05 May, 2012, 01:05: PM
Expert Answer
During one complete cycle through the body, the blood flows twice through the heart. Let us look at one complete cycle.
Deoxygenated blood enters right auricle, goes to right ventricle, from where it is carried to lungs for oxygenation. The oxygenated blood enters left auricle from lungs, goes to left ventricle and is then carried to various parts of the body.
The two highlighted steps shows the two times when blood enters into the heart during the same cycle. This term is called double circulation.
Answered by | 06 May, 2012, 07:54: AM
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