During the swallowing reflex .
A. the tongue closes off the pharynx
B. the epiglottis closes off the glottis
C. breathing rate increases
D. the esophageal sphincter closes off the esophagus
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Ответ:
The correct statement will be - B
The epiglottis closes off the glottis.
Explanation:
During the swallowing reflex - the epiglottis closes off the glottis.
Our respiratory and digestive system shares a common path. At the time of swallowing something, the epiglottis closes off the glottis which helps the food to go downwards further easily. Otherwise, there is a chance that the food can enter the windpipe and can choke a person. Sometimes this could be fatal.
Ответ: