Question

pls do my party this time and vs and everything no questions bout the party OR LEAVE and enjoy have fun !!!!!!

Answer 1

Answer:

$\huge\mathtt{{\colorbox{silver}{ANSWER~~~↴}}}$

During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

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