The Heart Valves Are Arranged with the

question 184

Multiple Choice

The heart valves are arranged with the

• A) mitral and pulmonary semilunar valves on the right side of the heart
• B) bicuspid and aortic semilunar valves on the right side of the heart
• C) tricuspid and pulmonary semilunar valves on the right side of the heart
• D) tricuspid and aortic semilunar valves on the left side of the heart

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Definitions:

Smooth Muscle

Involuntary muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, controlling their movements.

Sympathetic Fibers

Nerve fibers that are part of the sympathetic nervous system, responsible for the body's "fight or flight" response by regulating heart rate, blood pressure, and other autonomic functions.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brainstem to the lumbar region, serving as the main pathway for information connecting the brain and peripheral nervous system.

First Thoracic

The first thoracic refers to the first vertebra of the thoracic spine, which is located in the upper back and helps support the ribcage.