The answer is body's line of defense. The first line of defense which includes physical as well as chemical barriers would defend the body from infection. It would include the tears, cilia, stomach acid,urine, white blood cells,mucus and the skin. The skin is the largest organ and would act as a barrier from pathogens. If first line of defense won't work the second line will then be activated.
Because the respiratory system will continue to force air down. Hope this helps.
What are the 5 types of adolescent development?
The fundamental purpose of these tasks is to form one's own identity and to prepare for adulthood.
Physical Development. Puberty is defined as the biologica l changes of adolescence.
Intellectual Development.
Emotional Development.
Social Development.