Answers

2015-06-11T20:30:47+08:00

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The diaphragm contracts, and the lungs expand, so the oxygen goes in, which means that inhalation process occurs. On the other hand, when the diaphragm expands, and the lungs contracts, the carbon dioxide exits the respiratory system, which means that exhalation process occurs.
1 5 1