Question

Contraction of which muscles is most important for causing forceful expiration ?

Answer 1

Hey mate here's ur answer....

Hope this will help you

Plz mark my answer as brainliest

Inspiration allows air to be moved into the lungs and requires the contraction of various muscles: The diaphragm and external intercostal muscles contract. When the diaphragm contracts, it flattens, pressing down on the abdominal contents and lifting the thoracic cavity.

Answer 2

i think it help you

mark me as Brainliest