Question

what is role of diaphram in respiration?​

Answer 1

Explanation:

The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges

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Answer 2

Diaphragm :

Diaphragm is the muscular structure that separates the thoracic and abdominal cavities.

• It is located between the lungs.

Role of diaphragm in respiration :

➨ Diaphragm contracts during and inhalation and it increases the length and diameter of the chest cavity.

➨ It expands the lungs or chest cavity which allowing us to breath.

➨ It allows the lungs to expand and the air expel from the lungs.

➨ During expiration, diaphragm becomes dome - shaped.

➨ It helps in the pumping of CO2 out from the lungs.