Question

How does the blood flow in one direction through heart

Answer 1

hlw my dear
here is or answer ....
with this system blood always flow in only one direction inside the heart .
there are also valves at the bottom of the large artries that carry blood away from the heart . the aorta and the pulmonary artery . these calves keep the blood from flowing backward in to the heart . once it has been pumped out .

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Answer 2

Answer:

Explanation:

As the heart pumps blood, a series of valves open and close tightly. These valves ensure that blood flows in only one direction