An Exchange Surface in Direct Contact with the External Environment

question 2

Multiple Choice

An exchange surface in direct contact with the external environment is found in the

• A) lungs.
• B) skeletal muscles.
• C) liver.
• D) heart.
• E) brain.

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Definitions:

Pain

A complex sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens or increases the likelihood of a desired response.

Pill

A small, round, solid pharmaceutical oral dosage form of medication that can contain various active ingredients.

Pain

A distressing sensation and emotional experience linked to tissue damage or described in terms of such damage.