Inspiration occurs when

Asertiion : Inspirations occurs when there is a negative pressure in the lungs with respect to the atmospheric pressure. Reason : During inspiration, a decrease in pulmonary volume increases the intre-pulmonary pressure than atmospheric pressure which forces the air from outside to moe into the lungs.

Asertiion : Inspirations occurs when there is a negative pressure in the lungs with respect to the atmospheric pressure. Reason : During inspiration, a decrease in pulmonary volume increases the intre-pulmonary pressure than atmospheric pressure which forces the air from outside to moe into the lungs.

Expiration occurs when

Assertion : Inspiration occurs due to muscular relaxation. Reason : During inspiration, the diaphragm and external intercostal muscle contract simultaneously.

Speciation occurs when

Allopatric speciation occurs when

Due to muscular spasm of diaphragm, a noisy inspiration occurs. What is it called?