How Many Different Transmitter Chemicals Are Found in the Brain

question 414

Multiple Choice

How many different transmitter chemicals are found in the brain?

• A)fewer than 10
• B)approximately 25
• C)approximately 50
• D)more than 100

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Definitions:

Somatic Nervous System

Part of the peripheral nervous system that handles voluntary control of body movements via skeletal muscles.

Plasticity

The brain's ability to change and adapt as a result of experience or new learning.

Endocrine System

The system of glands that release hormones into the bloodstream to regulate the body's growth, metabolism, and sexual development and function.

Electrical Impulses

Rapid signals that travel along neurons, essential for the transmission of information throughout the nervous system.