The Average Human Brain Contains a Combination of Approximately _____

question 25

Multiple Choice

The average human brain contains a combination of approximately _____ neurons and glial cells.

• A) 50 billion
• B) 170 billion
• C) 180 million
• D) 80 billion

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Definitions:

Bloodstream

The flowing body fluid that circulates throughout the body via the circulatory system, carrying oxygen, nutrients, and hormones to various tissues and removing carbon dioxide and other wastes.

Psychological Influences

Factors that affect mental processes and behavior, including emotions, attitudes, thoughts, and social dynamics.

Endocrine System

A collection of glands that produce hormones regulating metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.

Body Tissues

Groups of similar cells that perform specific functions within an organism, including muscle, nerve, epithelial, and connective tissues.