Question

3. Water is breathed out as
through
the lungs and then through the nose and mouth.​

Answer 1

Explanation:

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

Answer 2

Answer:

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In man and mammals, air passes from outside into the lungs through

Medium

Solution

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Correct option is D)

Solution:

Correct answer is option D.

Explanation for correct option:

Air enters the body through the nose or mouth, which are connected through the nasal and oral cavities to the pharynx.

Air then passes through the larynx (the voice box), and then to the trachea (windpipe). The main bronchial passageways (bronchi) subdivide in the lungs into smaller and smaller airways, called bronchioles and finally to the individual air sacs called alveoli, where oxygen enters the bloodstream.

So, the correct answer is 'Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli'