Loss of Aerobic Power in a 70-Year-Old Is, in Part

question 22

Multiple Choice

Loss of aerobic power in a 70-year-old is, in part, caused by

• A) decrease in fat tissue
• B) increase in fat tissue
• C) decrease in bone density
• D) increase in bone density
• E) increase in hemoglobin concentration

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Definitions:

Cultural Rules

Norms and guidelines within a society that dictate acceptable behavior, values, and beliefs.

Brain Activation

The process by which specific regions of the brain increase in activity, often in response to stimuli or during the performance of tasks.

Arousal

A physiological and psychological state of being awake or reactive to stimuli, often involving heightened physical and mental alertness.

Visual Cliff

An experimental apparatus designed to give the illusion of a dangerous drop-off, used to study depth perception and fear of heights in infants.