What does body hair represent?

The total number of hair follicles in an adult male is about 5 million, including 6,543,8+0,000 in the head. The density of hair follicles on the top of the head, forehead and cheeks is relatively high, and the number of hair follicles on the scalp is about 65438+ million. The "hair" with thin and soft body and light color belongs to mane, while the hard and thick and dark color belongs to mane. Hard hair, such as hair, beard, armpit hair and pubic hair, which can grow longer (the length can exceed 1cm), is also called long hair, and eyebrows, eyelashes and nose hair, which cannot grow longer (the length cannot exceed 1cm), is also called short hair. Healthy hair is not only an important symbol of bodybuilding, but also has the physiological functions of protecting human body, regulating body temperature and strengthening sense of touch. The growth rate of %D%A hair varies with gender, age, location, season and human health. Generally, women grow faster than men, faster in summer, faster in hair, thicker in hair follicles and better in health. Generally speaking, the average growth rate of hair is 1.9CM per month.