About How Many Cells Per Day Divide in a Healthy

question 56

Multiple Choice

About how many cells per day divide in a healthy adult human?

• A) thousands of cells
• B) millions of cells
• C) billions of cells
• D) trillions of cells
• E) quadrillions of cells

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Definitions:

REM Sleep

A sleep stage characterized by rapid eye movement, dreaming, and increased brain activity.

NREM Sleep

Non-Rapid Eye Movement sleep, a restorative sleep phase characterized by reduced physiological activity and is divided into stages reflecting depth of sleep.

REM Sleep

A stage of sleep characterized by rapid eye movements, more brain activity, and vivid dreams.

Brain Wave Pattern

Refers to the electrical activity in the brain, characterized by certain patterns detectible via EEG.