litkidddd
litkidddd
12-11-2017
Biology
contestada
What prevents the blood from flowing backwards
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Аноним
Аноним
12-11-2017
A set of valves exist between each atrium and ventricle, preventing blood from flowing backwards
into the atria.
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What is the acceleration of a 6.4 kilogram bowling ball if a force of 12 N is applied to it?
