Skin function










 Have you ever thought about what

skin does for us? Most of us are aware

that skin protects us from liquid, heat,

cold, dirt, and bacteria. But that is not

its only job. For instance, the skin is

where our bodies make the vitamin D

we need. Another function has to do

with the sense of touch. Without that

sense, we couldn't any difference

between rough and smooth surfaces.

Skin can even help us determine

if someone is sick. The wrong color-slightly

gray or very pale-may be sign of disease.

Skin may reflect a person's mental state,

too. Unusual sweating, for example, may

be a sign that a person is nervous or

under stress.



【 Vocabulary 】
*have (something)
to do with(~と関係がある口語的で自然な言い方)
be related to(~と関係がある*数学とか科学など
一般化した関係) slightly(わずかに)
what+S+V(SがVすること) dirt(汚れ)
be aware(~を知ってる、~に気づく)
where+S+V(SがVする所)
名詞+S+V(関係代名詞の目的格)
rough(ラフなざらざらした荒い様子)
smooth(なめらかですべすべ)
help+人・もの+原型不定詞
(人・ものが~するのを助ける)
even(~でさえ~) mental state(精神状態)
sweating(発汗)

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