Physical Exercise Helps Maintain the ________ Protecting the Ends of Chromosomes

question 439

Multiple Choice

Physical exercise helps maintain the ________ protecting the ends of chromosomes.

• A) telomeres
• B) myelin
• C) amygdala
• D) hippocampus

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Definitions:

Internal Clock

An innate mechanism that regulates physiological and behavioral functions in a roughly 24-hour cycle, also known as the circadian rhythm.

Pineal Gland

A small endocrine gland in the brain, secreting melatonin and involved in regulating sleep patterns.

Thyroid Gland

The endocrine gland that produces thyroxine and regulates metabolism.

Pituitary Gland

A pea-sized gland located at the base of the brain that produces hormones which regulate important bodily functions, including growth, metabolism, and reproduction.