Briefly explain the mechanisms of circulation of blood in our body

Question

10 Aug 2021

Answer :

Word Count : 193

Theblood, the characters of which have just been considered, circulates through the body by the agency of the heart andblood-vessels. The heart is a portion of the vascular system, consisting of a compact but hollow mass ofmusclethat acts ___ ____ ____ ______ ____ _______ ____ ______ ________ _________.
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