During expiration the diaphragm becomes

Question

During expiration the diaphragm becomes (A) oblique (B) bulging (C) dome shaped (D) flat.

Tardigrade Admin · Accepted Answer

During expiration the diaphragm becomes dome-shaped, because muscle fibres of diaphragm relax making it convex (i.e., dome-shaped) thereby decreasing the volume of thoracic cavity.

Q. During expiration the diaphragm becomes

oblique

bulging

dome shaped

flat.

During expiration the diaphragm becomes dome-shaped, because muscle fibres of diaphragm relax making it convex (i.e., dome-shaped) thereby decreasing the volume of thoracic cavity.