Question

question 25 (2 points)
listen
the swallowing reflex is primarily what kind of movement? it serves to pass a bolus of food into what structure?
involuntary, trachea
voluntary, pharynx
involuntary, pharynx
involuntary, esophagus
voluntary, larynx

Explanation:

The swallowing reflex is an involuntary action. Its main function is to move a bolus of food from the pharynx into the esophagus. The trachea is for air - passage and not involved in food - passage during swallowing. The larynx is also part of the airway and not the destination for the food bolus. The pharynx is an intermediate structure, and the food is ultimately passed into the esophagus.

Answer:

D. involuntary, esophagus