Arrange the foll. organs in a correct order to show the path of air:-
TRACHEA , NOSE , BRONCHIOLES , BRONCHI , LARYNX , ALVEOLI , PHARYNX , LUNGS.

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Solution

The pathway of air in the human body is as follows:

1) The air enters through the nose.
2) Next it passes through the pharynx.
3) From the pharynx, it passes onto larynx.
4) Then it enters into trachea.
5) Then it passes into lungs.
6) Inside the lungs it passes onto bronchi.
7) The air from the bronchi further passes into bronchioles.
8) It then terminates into alveoli. From alveoli oxygen is transferred to blood capillaries through diffusion.

Nose---> Pharynx -----> Larynx -----> Trachea -----> Lungs -----> Bronchi ----->Bronchioles -----> Alveoli

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Q. Through which tubes does air enter the lungs from the windpipe?

(a) bronchi
(b) bronchioles
(c) alveoli
(d) trachea

Q. The air sacs at the end of the smallest air tubes inside the lungs are called
(a) alveoli
(b) bronchi
(c) bronchioles
(d) larynx

Question 15
Which is the correct sequence of air passage during inhalation?

(a) $N o s t r i l s \to l a r y n x \to p h a r y n x \to t r a c h e a \to l u n g s$
(b) $N a s a l p a s s a g e \to t r a c h e a \to p h a r y n x \to l a r y n x \to a l v e o l i$
(c) $L a r y n x \to n o s t r i l s \to p h a r y n x \to l u n g s$
(d) $N o s t r i l s \to p h a r y n x \to l a r y n x \to t r a c h e a \to a l v e o l i$

Question 15
Which is the correct sequence of air passage during inhalation?

(a) $N o s t r i l s \to l a r y n x \to p h a r y n x \to t r a c h e a \to l u n g s$
(b) $N a s a l p a s s a g e \to t r a c h e a \to p h a r y n x \to l a r y n x \to a l v e o l i$
(c) $L a r y n x \to n o s t r i l s \to p h a r y n x \to l u n g s$
(d) $N o s t r i l s \to p h a r y n x \to l a r y n x \to t r a c h e a \to a l v e o l i$

Q. Arrange the following in correct order through which the air flows upto alveoli
Larynx, alveoli, trachea, pharynx, external nostrils, internal nostrils, nasal cavities.

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Arrange the foll. organs in a correct order to show the path of air:-TRACHEA , NOSE , BRONCHIOLES , BRONCHI , LARYNX , ALVEOLI , PHARYNX , LUNGS.

Arrange the foll. organs in a correct order to show the path of air:-
TRACHEA , NOSE , BRONCHIOLES , BRONCHI , LARYNX , ALVEOLI , PHARYNX , LUNGS.