Once People Pass __________ Years,the Contribution of Heredity to Length

question 27

Multiple Choice

Once people pass __________ years,the contribution of heredity to length of life decreases in favor of environmental factors.

• A) 45 to 50
• B) 55 to 60
• C) 65 to 70
• D) 75 to 80

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Definitions:

Sympathetic System

A system of the autonomic division of the nervous system; its general effect is to mobilize energy, especially during stressful situations; prepares the body for a fight, flight, or freeze response. Compare with parasympathetic system.

Parasympathetic System

A division of the autonomic nervous system responsible for the body's rest and digest response, conserving energy and slowing the heart rate.

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron to another target neuron, muscle cell, or gland cell.

CNS

The Central Nervous System (CNS) consists of the brain and spinal cord, functioning as the control center for processing and sending commands to the body.