His immune system is using the first line of defense. His body is using purging methods that is caused by irritation of the hairs in his nose. This defense system<span> uses physical and chemical barriers that are prepared to defend the body from infection.</span>
Dermis I believe is responsible
The answer is: [C]: peptides .
_________________________________________________________
1.True
2.False
3. False
4. The transfer of microorganisms from one food or surface to another
5.Poor personal hygiene.
6. 41to 140