Question

write about the valves present in the human heart their locations and function

Answer 1

There are mainly 3 types of valves in heart -
1. Bi-cuspid valve
2. Tri-cuspid valve
3. semi lunar valve (there are 2 valves in heart of this kind)

Valves prevent the back flow of blood.

Answer 2

4 valves are present in our heart known as mitral valve, tricuspid valve, aortic valve, pulmonary valve and prevents the back flow of blood during relaxation and contraction of heart or they ensures that blood flows in only one direction.