Blood is prevented from back flowing in veins because of
A) high pressure flow.
B) rapid diffusion.
C) one-way valves.
D) suction from the lungs.
E) the pulsing of the veins.

Question

Quizplus · Accepted Answer

Blood is prevented from back flowing in veins due to the presence of one-way valves. These valves open in the direction of blood flow and close to prevent the backflow of blood. This mechanism helps in maintaining the directional blood flow towards the heart.

Blood Is Prevented from Back Flowing in Veins Because of