darbymk6715 darbymk6715

07-01-2018
Biology

contestada

What part of the gi tract prevents a person from choking while swallowing?
a. pyloric sphincter
b. epiglottis
c. upper esophageal sphincter
d. mouth?

Respuesta :

desirayjt desirayjt

07-01-2018

The answer to this question is C

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