The swallowing process is regulated by:
Correct answer: C. Medulla oblongata
- A. Throat
- B. Pharynx
- C. Medulla oblongata
- D. Stomach
Explanation
The swallowing process is primarily regulated by the medulla oblongata, which is part of the brainstem. It is responsible for the involuntary reflex actions required in swallowing, coordinating the actions of the tongue and muscles in the pharynx and esophagus. While the pharynx is involved in the movement of the bolus, the regulation of the swallowing reflex itself is controlled by the medulla oblongata. The throat and stomach play roles in the physical movement and digestion of food, respectively, but do not regulate the swallowing process.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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