Diaphragm is straightened during.

Expiration

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Inspiration

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Interval between expiration and inspiration

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Interval between inspiration and expiration

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Expiration
Expiration is moving of air out of lungs if the pressure within lungs is more than the atmospheric pressure.
Relaxation of the diaphragm and external intercostal muscles returns the diaphragm and sternum to their normal thoracic volume and thereby pulmonary volume. Relaxation of diaphragm straightens it.
Therefore, Option A is the correct option.

Suggest Corrections

Similar questions

In expiration diaphragm becomes

flattened

relaxed

straightened

arched/dome shaped

During expiration, the diaphragm moves

During expiration the diaphragm becomes:

Join BYJU'S Learning Program