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The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
This group is made by MT 30 section C (SY 2021-2022)
Epiglottis connective tissue

The epiglottis is a small, movable “lid” just above the larynx that prevents food and drink from entering your windpipe. It is composed mostly of connective tissue specifically elastic cartilage.
I can better understand how the epiglottis works as a flap to keep food from entering the windpipe during swallowing thanks to this image, which clearly depicts its location and structure. It's amazing to observe how a tiny portion of the body can protect the respiratory system and guarantee that food is safely passed down the esophagus.
The epiglottis is a leaf-shaped structure made of elastic cartilage that acts as a movable flap to cover the larynx during swallowing, preventing food from entering the airway. Histologically, its surface facing the tongue is lined by non-keratinized stratified squamous epithelium, while the side facing the larynx is covered by pseudostratified ciliated columnar epithelium, with seromucous glands and lymphoid tissue beneath to protect and lubricate the mucosa.