6) During exhalation the ribs---
(a) move outward
(b) move downward
(c) move upward
(d) do not move at all
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6) During exhalation the ribs---
(a) move outward
(b) move downward
(c) move upward
(d) do not move at all
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Answer:
b move down Ward is the correct one
question ⤵️
6) During exhalation the ribs---
(a) move outward
(b) move downward
(c) move upward
(d) do not move at all
answer ⤵️
b) move downward
explanation ⤵️
They place rib cage downwards and inwards as they relax. Hence the ribs pass downwards during exhalation. Additional Information: The outer intercostal muscles contract and raise ribs outward during inhalation, while the diaphragm becomes flat and falls thus raising the thoracic cavity length