OBJECTIVE FORESTRY

FORESTRY

PLANT AND WOOD ANATOMY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This structure prevents the backwards movement of blood:
A
Ventricle
B
Valve
C
Atrium
D
Vein
Explanation: 

Detailed explanation-1: -The valves prevent the backward flow of blood. Valves are actually flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle. Normal valves have 3 flaps (leaflets), except the mitral valve. It only has 2 flaps.

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