fartable
fartable
07-03-2018
Health
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Why doesn’t blood ever flow the “wrong” way?
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raysparkles22oxptnc
raysparkles22oxptnc
07-03-2018
Because your blood stream has a certain way of flowing, and it doesn't really flow the "wrong" way because the blood is pushing a certain.
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chenge
chenge
07-03-2018
The valves that is the semi lunar, triscupid and biscupid valves open and close preventing the wrong flow of blood
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