It's Your 40th Birthday, and You Are Celebrating with Your

question 3

Multiple Choice

It's your 40th birthday, and you are celebrating with your girlfriends who are all older than you.Your friends say, "Just wait and see what happens to your hair now!" Which of the following is NOT a change that will happen?

• A) Your hair will lose its melanin.
• B) Your hair will decrease in production overall, especially for men.
• C) Your hair will usually begin to go grey.
• D) Your hair texture will change, becoming thicker and coarser.

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Definitions:

Function

In mathematics, a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Gray Matter

A major component of the central nervous system, consisting of neuronal cell bodies, dendrites, and unmyelinated axons, involved in muscle control and sensory perception.

White Matter

The part of the brain and spinal cord made up of myelinated nerve fibers, which is responsible for transmitting signals within the nervous system.

Cerebral Cortex

The outer layer of the brain, responsible for complex cognitive functions such as thought, language, and consciousness.