Question

Food enters the body through the mouth where it is mixed with digestive enzymes from the ____________. These enzymes begin the digestion of ______________ into _______________. The bolus is propelled to the pharynx by the tongue. The ___________ closes over the _________ upon swallowing to protect the respiratory tract from food particles.

Answer 1

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Food enters the body through the mouth where it is mixed with digestive enzymes from the saliva.
These enzymes begin the digestion of starch into sugars.
The epiglottis closes over the tracheid upon swallowing to protect the respiratory tract from food particles.

Answer 2

Answer:

Food enters the body through the mouth where it is mixed with digestive enzymes from the  saliva. These enzymes begin the digestion of starch into sugars. The bolus is propelled to the pharynx by the tongue. The epiglottis closes over the   tracheid upon swallowing to protect the respiratory tract from food particles