Question

The correct passage of air in the human body is
(a) Nasopharynx → Larynx → Nasal cavity → Trachea → Bronchi →
Bronchioles - Alveoli or air sacs
(b) Nasal cavity → Nasopharynx Larynx → Trachea → Bronchi →
Bronchioles Alveoli
(c) Larynx → Nasopharynx → Nasal cavity → Bronchi → Trachea →
Bronchioles > Alveoli
(d) Trachea → Nasopharynx → Nasal cavity → Larynx → Bronchi
Bronchioles Alveoli​

Answer 1

Answer:

a.Conducting Zone: external nares → nasal cavity → Nasopharynx → Oropharynx →Laryngopharynx → larynx → trachea → bronchi → bronchioles → terminal bronchioles. ... It has respiratory bronchioles → alveolar ducts →alveoli (main portion of gas exchange).

b.The respiratory route air passes through is: Nostrils → nasal cavity →Pharynx → Larynx →Trachea → Bronchi (with cartilaginous rings) →Bronchioles (without rings) → Alveoli (air sacs). Alveoli are the seat of exchange of O2 / CO2 between lungs and blood.

c.The respiratory route air passes through is: Nostrils → nasal cavity →Pharynx → Larynx →Trachea → Bronchi (with cartilaginous rings) →Bronchioles (without rings) → Alveoli (air sacs). Alveoli are the seat of exchange of O2 / CO2 between lungs and blood.

d.Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)

Explanation:

here is anweer

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maina detail ma anwer dadiya but passage is right

Answer 2

Answer:

it's option B

Explanation:

Air enters the nasal cavity then nostrils then pharynx then larynx (voice box) then trachea(windpipe) then bronchus then bronchioles then alveolus (alveoli) and gaseous exchange takes place and come back in Same pathway

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