Answers

2014-12-01T22:12:10+05:30
Diaphragm is a muscular organ situated between lungs and abdomen. The continuous up and down movement of diaphragm helps in the process of respiration.
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2014-12-01T22:12:50+05:30
To explain in simple words : It is a muscle which helps in inflation and deflation of our lungs.
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