give the reason:(a) glottis is covered by epiglottis,(b) long alveoli are covered with blood capillaries,(c)the wall of trachea is supported by cartiage rings,(d)how are fats digestion our body where does it take place?
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a) to check the entry of food in the windpipe
c) to prevent the collapsing of trachea during respiration
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A) the glottis is covered with epiglottis so that the food doesn't go into the wind pipe while eating.
B) lung alveoli are covered with blood vessels as they are she site where the gases diffuse and mix with the blood so the blood to this part is supplied by the vessels.
C) the wall of trachea is covered with cartilage so that the passage of air is not collapsed.
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