Guide :High School

1. a closed circulatory system is one in which

1. a closed circulatory system is one in which a. blood spreads freely throughout all of the body's issues and organs b. blood flows though a system of blood vessels throughout the body c. blood tr
Just took the quick check 100%!! Lets keep it 100.1. B  (Blood flows through a system of blood vessels and throughout the body)2.C (In blood vessels and sinuses)3.B (Oysters do not move around, but squid are very active)4.D (It is difficult for single pump to force blood through the entire system of a large animal)5.A (Exchanging carbon dioxide for oxygen from the air) ...

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