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Mechanism of Breathing in Human beings. - Class 10 PDF Download

Breathing in Human beings :-

¶¶Oxygen is inhale through nostrils which is lined with hair and mucus to filter the air, Oxygen is passed through Trachea to Lungs¶¶.

¶¶Trachea is supported by ring shaped Cartilage to prevent collapse of Trachea¶¶.

¶¶Trachea is divided into two branches called Bronchi , each Bronchi divides into many branches and becomes narrower towards end called Bronchioles!!¶¶.

¶¶At the end of the Bronchioles, there are balloons like structure called Alveoli, which are surrounded by Blood capillaries for the exchange of gaseous materials!!!!¶¶.


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