The role of leg hair is generally mainly protection, excretion, isolation role.
1. Protection: to the summer time, more mosquitoes, leg hair can play a certain role in protection, to prevent parasites from biting the human skin, reduce mosquito bites, can avoid follicle infection.
2. Excretion: the body’s largest excretory organ is the skin, and leg hair parts of the pores are generally larger, some of the larger metabolic wastes can be better excretion through the pores, and also helps to regulate body temperature.
3. Isolation: When there are some harmful bacteria and so on encountered on the body, leg hair can play a certain role in isolation, can resist foreign bacteria, to prevent bacteria from invading the human body.