role of diaphragm and intercostal muscles in the mechanism of breathing
Answers
Answered by
2
Answer:
During respiration, the diaphragm and external muscles contract, causing the rib cage to expand and move outward, and expanding the thoracic region and lung volume. ... However, during forced exhalation, the internal intercostals and abdominal muscles may be involved in forcing air out of the lungs.
Explanation:
Attachments:
Answered by
1
Answer:
the diaphragm is attached to base sternum at lower part of the rib cage and the spine . as the diaphragm contracts it increase the length and diameter of the chest cavity and thus expand the lungs . The intercostal muscles help to move the rib cage and thus assist in breathing
Similar questions