During exhalation, the ribs
(i) move outwards and upward (ii) move downward and inward iv don't move
Answers
Answered by
0
Answer:
ribs move downward and inward
Explanation:
this pushes the air out which is exhalation
Answered by
2
Answer:
During exhalation, the ribs
(i) move outwards
(ii) move downwards
(iii) move upwards
(iv) do not move at all.
Answer: (ii) move downwards
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