The excretion of waste through the

The excretion of waste through the skin
.Skin of people can excrete the pores. The expulsion is sweat, sweat is excreted in the sweat glands. Sweat consists of water, about 99 percent of other 1 percent.The urea and organic sugar, ammonia, lactic acid and amino acids are a bit more

ผลลัพธ์ (อังกฤษ) 2:

The excretion of waste Through the Skin
.Skin of people Excrete Can the pores. The expulsion is sweat, sweat is excreted in the sweat glands. Sweat consists of water, about 99 percent of other 1 percent.The urea and organic sugar, ammonia, lactic acid and amino acids are a bit more.