Question

which prevent back flow of blood inside the heart during

contraction ?​

Answer 1

Answer:

Explanation:

valves in heart

Answer 2

Answer:

Pulmonary Valve and Aortic Valve

Explanation:

• The Pulmonary valve silts between the RV and Pulmonary Artery . Its role is to prevent back flow of blood into RV After its  contraction.
• The Aortic valve silts between the LV and Arota . Its role is to prevent backflow of blood into LV after its contraction.