question_answer 49)

    Which is the correct sequence of air passage during inhalation? (a) Nostrils Larynx PharynxTrachea Lungs (b) Nasal passageTracheaPharynx Larynx Alveoli (c) Larynx NostrilsPharynxLungs (d) Nostrils PharynxLarynx Trachea Alveoli

Answer:

                  (d) The air for respiration is drawn into our body through the nostrils, it then goes into nasal passage. From their, air enters into pharynx, larynx, then into the windpipe (or trachea), bronchi, lungs and finally to the alveoli where gaseous exchange takes place.