1.

Write the differences between inhalation and exhalation.

Answer»
InhalationExhalation
During inhalation, the thoracic cavity (chest cavity) expands.Thoracic cavity contracts.
Ribs lift up.Ribs move downwards.
Diaphragm become flat in shape.Diaphragm becomes dome-shaped.
Volume of lungs increases and air enters the lungsVolume of lungs decreases and air exits from the lungs.



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