Your Neurons Are Constantly Communicating

question 70

Multiple Choice

Your neurons are constantly communicating.As you read this question,what chemical messengers are your neurons releasing?

• A) chromosomes
• B) neurotransmitters
• C) hormones
• D) enzymes

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Definitions:

Countersink

A conical-shaped recess around a hole often used to allow the flat head of a screw or bolt to sit flush with or below the surface of the material.

Plug Weld

A weld made in a circular hole in one member of a joint fusing it to the surface of another member.

Weld Symbol

A standardized symbol on technical drawings specifying the type, location, and details of welds required for joining pieces of metal.