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What happen to the ribs & the diaphragm when you breathe in?
A. The ribs move up & the diaphragm muscle contracts and moves downward.
B. The ribs move up & the diaphragm muscle relaxes and moves upward.
C. The ribs move down & the diaphragm muscle contracts and moves downward.
D. The ribs move down & the diaphragm muscle relaxes and moves upward.

Sagot :

DARWINABRAZALDOGO

Answer:

C po ang sagot sana makatulong

Explanation:

paki follow narin po ako salamat

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