Question

Physical and chemical barriers prevent pathogens from getting into our body. the most comprehensive barrier is the waterproof layer of _______ that covers the body's surface.

Answer 1

the human skin be effect if it touch youAnswer:

Step-by-step explanation:

Answer 2

Picture below shows that the most comprehensive barrier is the waterproof layer of skin that covers the body’s surface. If human skin is intact, it keeps the body out of the reach of infections. The picture summarizes physical and chemical barriers against infection.