Why is the skin a good defense mechanism for the immune system?

Answer 1

It acts like a shield, so micro organisms aren't able to pass through unless there is damage to the skin. (e.g. A cut.)

Answer 2

it covers all of your body and it keeps allot of things in & out

Answer 3

it's existance! it keeps introders such as bacteria and viruses out of the internal systems of the body

Answer 4

It is the largest organ of the human body and it keeps germs out.

Answer 5

The skin is the first line of defense from infectious agents. It creates a barrier between our cushy insides and a harsh environment.

Answer 6

Skin provides a chemical barrier via the acid mantle, but it functions primarily as a physical barrier.