Question

Q.17. What prevents the blood
from flowing in the wrong
direction in the heart?​

Answer 1

Answer:

Explanation:

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.

Answer 2

Answer:

The valves in the heart prevent the black flow of blood.

》There are 4 valves in the heart. They are :-

• Right atrio-ventricular valve or Tricuspid valve.

• Left atrio-ventricular valve or Bicuspid valve.

• Aortic semilunar valve.

• Pulmonary semilunar valve.

》The valves regulate the blood flow in the heart.