Write in Terms of Simpler Forms

question 123

Multiple Choice

Write in terms of simpler forms.
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Definitions:

Pupil Dilation

The expansion of the pupil of the eye, often in response to low light conditions or as an expression of emotion.

Withdrawal Reflex

A spinal reflex that causes immediate withdrawal from a painful or harmful stimulus.

Interneurons

Neurons that transmit impulses between other neurons, especially as part of reflex arcs in the nervous system.

Endorphins

Natural pain-relieving peptides produced by the brain that also enhance feelings of pleasure.