All of the Major Sensory Systems Begin to Function

question 18

Multiple Choice

All of the major sensory systems begin to function

• A)before birth.
• B)shortly after birth.
• C)about one month after birth.
• D)by a child's first birthday.

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Definitions:

Cardioregulatory Center

A region of the brain, specifically in the medulla oblongata, that regulates heart rate and blood pressure by coordinating the autonomic nervous and the cardiovascular systems.

Vasodilator Substance

Chemicals that relax and expand blood vessels, increasing blood flow and decreasing blood pressure.

Epinephrine

Hormone (amino acid derivative) similar in structure to the neurotransmitter norepinephrine; major hormone released from the adrenal medulla; increases cardiac output and blood glucose levels; also called adrenaline.

Coronary Blood Vessels

Arteries and veins that provide blood supply to the heart muscle.