Science, asked by ankushshing829, 3 days ago

prosses of inhalation and exhalation carried out by the lungs

Answers

Answered by Sohammmmop

1

During inhalation
Diaphragm contracts
Ribs move outwards and upwards
External intercostal muscles contract
Internal inter coastal muscles relax
Chest cavity volume increases
Lungs inflate
Air pressure decreases

During exhalation
Diaphragm relax
Ribs move inwards and downwards
External intercoastal muscles relax
Internal intercostal muscles contract
Chest cavity volume decreases
Lungs deflate
Air pressure increases

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