Answer:
"The external muscle helps maintain continence and keep stool in the rectum. The inner muscle is not under voluntary control but rather is controlled by the autonomic nervous system. The external sphincter can be voluntarily controlled, meaning it can be clenched and unclenched"
Explanation:
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The pupillary response may be inhibited by problems with the photomotor reflex and/or specialized drugs.
<h3>What does pupillary reaction mean?</h3>
The pupillary light reflex or photomotor reflex is part of a standard neurological examination. It evaluates the constriction reflex of the pupil, called miosis, in view of the incidence of direct light in the eye to be tested.
With this information, we can conclude that Pupillary response varies the size of the pupil of the eye via the iris dilator muscle, which dilates in response to a stressor.
Learn more about Pupillary response in brainly.com/question/2654699
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Maybe A. Mesoderm is the answer but If its not Sorry
