| 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。 |