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Blood Travels a One-Way Street
The heart is a one-way pump. By maintaining a pattern of certain chambers opening and closing, constricting and relaxing, the blood is pumped one way and one way only. There are also hundreds of one-way valves throughout the arterial system that keep backflow from occurring.
First answer by Dankbean. Last edit by Dankbean. Contributor trust: 176 [recommend contributor]. Question popularity: 31 [recommend question]
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How is the direction of blood maintained? How does blood keep flowing in one direction? What permits blood to only pass one direction? Why is it important blood flows in one direction? What keeps blood flowing in one direction in the body? What is the flap of tissue that allow blood flow in only one direction? A membrane that permits certain subtances to pass through but not others is said to be?
