Which of the following statements is correct | vedclass

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(B) Breathing involves two main stages: inspiration and expiration.During inspiration,the diaphragm muscles contract,which increases the volume of the

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All statements are correct.

Vedclass · Answer

(B) Breathing involves two main stages: inspiration and expiration.During inspiration,the diaphragm muscles contract,which increases the volume of the thoracic cavity in the antero-posterior axis.This increase in thoracic volume leads to a decrease in intrapulmonary pressure compared to atmospheric pressure,forcing air into the lungs.As the lungs fill with air,the chest cavity expands.Therefore,all the provided statements correctly describe the physiological process of breathing.

List-$I$	List-$II$
$A$. Emphysema	$I$. Rapid spasms in muscle due to low $Ca^{++}$ in body fluid
$B$. Angina Pectoris	$II$. Damaged alveolar walls and decreased respiratory surface
$C$. Glomerulonephritis	$III$. Acute chest pain when not enough oxygen is reaching to heart muscle
$D$. Tetany	$IV$. Inflammation of glomeruli of kidney

Which of the following statements is correct regarding breathing?

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