Which structure of the lungs is directly invo | vedclass

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(C) The primary bronchus of the lungs divides to form secondary bronchi,which further divide to form tertiary bronchi. The tertiary bronchi subdivide

Vedclass · Accepted Answer

Alveoli

Vedclass · Answer

(C) The primary bronchus of the lungs divides to form secondary bronchi,which further divide to form tertiary bronchi. The tertiary bronchi subdivide into bronchioles. The bronchioles open into the alveoli through alveolar ducts,atria,and alveolar sacs. The alveoli have very thin walls consisting of squamous epithelium. The wall of the alveoli has an extensive network of blood capillaries. Due to the very intimate contact of blood capillaries with the alveoli,the exchange of gases takes place easily.

Gas	Alveolar Air $(X/A)$	Atmospheric Air $(Y/B)$
$pO_{2}$	$X$	$Y$
$pCO_{2}$	$A$	$B$

Which structure of the lungs is directly involved in $O_2 / CO_2$ exchange between air and blood capillary?

Similar Questions

The diffusion membrane of the lungs,through which the exchange of gases occurs,is made up of which of the following layers?

What is partial pressure? How is it represented?

The partial pressure of $O_{2}$ and $CO_{2}$ in atmospheric air as compared to those in alveolar air is:

Gas Alveolar Air $(X/A)$ Atmospheric Air $(Y/B)$

$pO_{2}$ $X$ $Y$

$pCO_{2}$ $A$ $B$

In rabbits,which part of the lungs is responsible for the exchange of gases?

Why are a very large number of alveoli present in the lungs?

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