Suppose a Child Is Learning to Swim

question 27

Multiple Choice

Suppose a child is learning to swim. If a person measures how long it takes him to swim from one end of the pool to the other each day, the person will typically find that the child's speed will:

• A) increase rapidly over the first several days and then increase more slowly on subsequent days.
• B) increase gradually from day to day.
• C) increase slowly over the first several days and then increase more rapidly on subsequent days.
• D) remain the same for the first several days and then increase rather suddenly.

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that activates the body's fight or flight response.

Endocrine System

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

Glands

Organs in the body that secrete hormones or other substances directly into the blood or onto a surface within or outside the body.

Hormones

Chemical messengers produced by the glands in the endocrine system, affecting many different processes throughout the body.