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while breathing out, point out the changes you think occur in diaphragm and intercoastal muscles????? bta do koi accha prani

Posted by Shreya Sharma 5 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Kush J 5 years, 8 months ago

Diaphragm relaxes and lungs contracts ans thus air rushes out of the lunga

1Thank You

Anjali Rai 5 years, 8 months ago

When the diaphragm contracts, it moves inferiorly toward the abdominal cavity, creating a larger thoracic cavity and more space for the lungs. Contraction of the external intercostal muscles moves the ribs upward and outward, causing the rib cage to expand, which increases the volume of the thoracic cavity.

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Posted by Pandey Ji 4 months, 2 weeks ago

CBSE > Class 10 > Science