Blockage in respiratory passage is prevented due to presence of

A.epiglottis. B.larynx. C. C shaped cartilage. D.alveoli

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Solution

Epiglottis.
it prevents food or other substences from entering the respiratory system

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\begin{matrix} A & B 1 & P h a r y n x & a & D i f f e r e n t i a t e s f o o d a n d w i n d p i p e 2 & C a r t i l a g e i n w i n d p i p e & b & C o n n e c t i o n b e t w e e n l a r y n x a n d t r a c h e a 3 & L a r y n x & c & A d a m^{'} s A p p l e (V o i c e b o x) 4 & E p i g l o t t i s & d & P r e v e n t s c o l l a p s e o f t r a c h e a l s t r u c t u r e \end{matrix}

\begin{matrix} A & B 1 & Pharynx & a & Differentiates food and wind pipe 2 & Cartilage in windpipe & b & Connection between larynx and trachea 3 & Larynx & c & Adam's Apple (V o i c e b o x) 4 & Epiglottis & d & Prevents collapse of tracheal structure \end{matrix}

The air passage in the respiratory system of humans does not collapse due to presence of:

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