What Is the Function of the Valves in the Heart

question 69

Multiple Choice

What is the function of the valves in the heart?

• A)prevent backflow of blood through the heart
• B)eliminate pressure variances within the heart
• C)invert during contraction of the ventricles
• D)promote contraction of the ventricles

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Definitions:

Fast Pathway

A term that may refer to a rapid signaling route within the nervous system, especially in the context of pain perception.

Endorphins

Natural chemicals in the body that interact with the brain's receptors to reduce pain and boost pleasure, resulting in a feeling of well-being.

Slow Pathway

A neural transmission route that takes longer due to the involvement of intermediate neurons, often associated with deliberate and considered responses.

Place Theory

A theory that proposes that our perception of sound depends on where each component frequency produces vibrations along the basilar membrane of the inner ear.