Saved Bookmarks
| 1. |
What is the role of diaphragm |
|
Answer» A large dome-shaped muscle under the lungs called the DIAPHRAGM squeezes DOWNWARD when you breathe in, making a vacuum that causes a rush of FRESH AIR into your lungs. The opposite happens when you breathe out -- your diaphragm relaxes upward, pushing on your lungs, letting them deflate.Explanation: |
|