The Cellular Clock and Free-Radical Theories of Aging Both Focus

question 67

Multiple Choice

The cellular clock and free-radical theories of aging both focus on aging as a result of:

• A)hormonal change.
• B)decline of tissue regeneration.
• C)cellular change.
• D)lower resistance to disease.

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Definitions:

Normal Body Functions

The physiological processes and activities carried out by living organisms to maintain life.

Localized Effect

An effect limited to a specific area, region, or part of the body, not spreading from its origin.

Thoracic Nerves

Nerves that are associated with the thorax, contributing to the motor and sensory innervation of the chest, upper back, and abdominal wall muscles.

Lumbar Nerves

A group of spinal nerves emanating from the lumbar region of the backbone, involved in movement and sensation in the lower parts of the body.