if ur skin is a barrier to most foreign substances, then why is there such a reaction to things such as poison iv y
2006-10-11 14:59:38 · 4 answers · asked by Anonymous in Health ➔ Diseases & Conditions ➔ Skin Conditions
it does not penetrate, the presence of allergens on the skin invites white blood cells that start a systamic reaction, good luck
2006-10-11 15:04:27 · answer #1 · answered by HK3738 7 · 0⤊ 0⤋
Your skin isn't exactly like armor. It is permeable. And it's made up of living cells (the dermis) that can react with allergens. Poison ivy is just that, an allergic reaction that begins on the surface of the skin , thereby negating the skin's protective effect, and spreads inward.
2006-10-11 15:05:10 · answer #2 · answered by J 4 · 0⤊ 0⤋
that is a crazy comparison
the skull is to protect the brain
so why do you get a head ache if you hit your head with A HAMMER
2006-10-11 15:08:27 · answer #3 · answered by Anonymous · 0⤊ 0⤋
cause it prooves to be stronger, in some cases.
2006-10-12 02:55:53 · answer #4 · answered by Subho 2 · 0⤊ 0⤋