Sharon is a long-distance runner. After a certain point in her workout, she begins to feel a natural "high" instead of pain. This feeling is likely the result of chemicals in her brain called
A)stimulants.
B)enzymes.
C)endorphins.
D)adrenalines.
E)hormones.

Question

Quizplus · Accepted Answer

Endorphins are natural chemicals in the brain that have pain-relief and pleasure-enhancing properties, which can lead to a feeling of euphoria during intense physical activity, often referred to as a "runner's high."

Sharon Is a Long-Distance Runner