| 1. | Of the person double sufficient farthermost from the heart , blood stream circumfluence is slow , offer blood opposite less , sufficient hypodermic and adipose layer is thinner , heat preservation ability is poor , be in so usually , sufficient skin humidity is inferior
人的双足离心脏最远，血流回流缓慢，供血相对较少，足的皮下脂肪层较薄，保温能力差，所以在一般情况下，足的皮肤湿度较低。 |
