What stops blood from flowing backwards through the heart? 

Asked by pdcavita | 1st Dec, 2017, 09:06: PM

Expert Answer:

A set of valves exist between each atrium and ventricle, preventing blood from flowing backwards into the atria. Another set of valves exist between the ventricle and arteries, preventing blood flow back into the ventricles.

Veins also have some one way valves that stops blood flowing backwards between each heart beat.

Answered by Sivanand Patnaik | 2nd Dec, 2017, 08:03: AM