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Deglutition means entry of food...

Deglutition means entry of food

A

From oesophagus to stomach

B

From stomach to duodenum

C

From anus to exterior

D

From pharynx to oesophagus

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding Deglutition**: - Deglutition refers to the process of swallowing, which is the entry of food into the digestive system. 2. **Identifying the Options**: - The question provides four options regarding the entry of food: - A: From esophagus to stomach - B: From stomach to duodenum - C: From anus to exterior - D: From pharynx to esophagus 3. **Analyzing the Correct Process**: - During deglutition, food (also known as bolus) is pushed from the mouth into the pharynx and then into the esophagus. This process is crucial for the movement of food from the oral cavity into the digestive tract. 4. **Stages of Deglutition**: - There are three stages of deglutition: - **Voluntary Stage**: The food is chewed and formed into a bolus. - **Pharyngeal Stage**: The bolus is pushed into the pharynx. - **Esophageal Stage**: The bolus moves down the esophagus towards the stomach. 5. **Conclusion**: - Given the definition and process of deglutition, the correct answer to the question is option D: "from pharynx to esophagus". ### Final Answer: - **The correct answer is option D: from pharynx to esophagus.**
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