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Respiration and Circulation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYRespiration and Circulation3 Marks
Question
Give reasons : Glottis is guarded by a flap called epiglottis.
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Answer

  1. The oesophagus and trachea lie side by side.
  2. There is possibility that food particles may enter respiratory passage at the time of gulping.
  3. However, the epiglottis prevents the entry of food into the respiratory passage by closing it temporarily.
  4. Thus, for preventing the entry of food particles into respiratory passage, the glottis is guarded by a flap called epiglottis.

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