The diagram shows the ribs and some of the muscles used in breathing.
Which muscles relax in moving from position x to position y?
A. (a)
B. (b)
C. (c)
D. (d)
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Answers
Answered by
13
Answer:
external intercostal muscles relax during expiration
Explanation:
hope the answer will help you
Answered by
11
Answer:
D.(d)........is answer
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