No there are 4 pre early middle and late
It's trachea, not tranchea xD
If your cilia which is located in your trachea got damaged, you will get sick easily. The reason is that the cilia helps protects you from bacteriam by keeping bacteria from getting down into your throat.
The cilia getting damaged is most common in smokers due to cigarette smoking, btw.
It helps with mental and physical heath
Answer:
2020 will officially be over january 1 2021
Explanation:
