Which of the Following Is NOT True About a Chemical

question 56

Multiple Choice

Which of the following is NOT true about a chemical functioning in physiological regulation

• A)There must be a mechanism to turn off the chemical's action.
• B)The chemicals must be secreted by endocrine glands.
• C)Target cell must have specific receptor molecules for the chemical.
• D)The combination of the chemical and its receptor must cause specific changes to occur in the target cell.

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Definitions:

Somatic Nervous System

Part of the peripheral nervous system that handles voluntary control of body movements through the action of skeletal muscles.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which coordinates body activities and processes sensory information.

Brain

The organ in the head of living creatures that controls their actions, thoughts, feelings, and interactions with their environment.

Spinal Cord

The long, thin, tubular structure made of nervous tissue that extends from the brainstem down the back, transmitting nerve signals between the brain and the rest of the body.