What Is the Function of the Valves in Veins

question 7

Multiple Choice

What is the function of the valves in veins?

• A) They act as pumps to move blood forward.
• B) Collection area for plaque.
• C) Prevention of forward blood flow.
• D) Prevention of backward blood flow.

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Definitions:

Infections

The invasion and multiplication of microorganisms in body tissues, which can cause illness.

Regurgitate

Regurgitate means to bring swallowed food up again to the mouth; in the context of information, it means to repeat information without understanding it fully.

Left Atrium

A chamber out of the heart's four, it takes in blood enriched with oxygen from the lungs and propels it toward the left ventricle.

Blood Flow

The continuous circulation of blood through the cardiovascular system, delivering oxygen and nutrients to tissues and organs.