Tell me what is the position of the ribs & diaphram in inhaling and exhaling oxygen?
Asked by
| 12th Mar, 2008,
08:03: PM
Expert Answer:
During inspiration the muscles attached to ribs contract as a result ribs move outwards. The diaphragm moves downward which creates vacuum in the lungs and a fall in pressure and sucks the air from outside.
The vice versa movement of ribs and diaphragm facilitate exhalation.
Answered by
| 14th Mar, 2008,
10:05: AM
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