Question

what prevents the blood from flowing int in the wrong
direction in the healt?​

Answer 1

Answer:

Heart valves There are four valves within the heart. Each valve has flaps that prevent blood from flowing in the wrong direction — opening to allow forward flow of blood and closing to prevent backward flow.

Explanation:

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Answer 2

Answer:

The aortic and pulmonic valves lie between the ventricles and the major blood vessels leaving the heart. The heart valves work the same way as one-way valves in the plumbing of your home. They prevent blood from flowing in the wrong direction.