Saved Bookmarks
| 1. |
How respiration takes place in human beings |
|
Answer» In human beings air is taken into the body through the nostrils . The air passing through the nostrils is filtered by fine hairs that line the passage, also lined by mucus which helps in this process . The air passes throat and into the lungs . Rings of cartilage present into the throat . These ensures that the air passages doesn\'t collapse . From nose to stomach and return again to nose |
|