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Pharynx, Swallowing & Epiglottis | Class 11 Biology | New Book 2025 (PECTAA) | Digestive System Lecture
In this lecture, we study the Pharynx, steps of Swallowing (Deglutition), and function of the Epiglottis with clear diagrams and easy explanation.
Keywords: pharynx, swallowing, epiglottis, deglutition, class 11 biology new syllabus 2025, digestive system.

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In this video, we cover:

📌 Topics Covered

What is Pharynx?

Role of Pharynx in digestive system

Structure & location of Pharynx

What is Swallowing (Deglutition)?

3 stages of swallowing:

Oral stage

Pharyngeal stage
Esophageal stage

Function of Epiglottis

How epiglottis prevents food from entering trachea

Complete mechanism of safe swallowing

Class 11 Biology (New Book 2025) Chapter: Nutrition in Animals

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