Hair Function For Humans

1. On Head

Hair function is to protect the scalp from the sun and the cold. While the hair on your head amounted to no less than 100,000 strands of hair and every strand grows within 2 to 6 years. But will experience hair loss every day, 50 to 100 strands, but the new hair will grow.

2. In Eyes

Function eyebrows and eyelashes in addition to beauty and beauty is to resist sweat and rain on the forehead and then to the eye. The eyebrows could also deepen the true character of your face.

3. On the Nose

With the hair on the nose, then the bacteria, fungi, spores or dust that enters the nose will be blocked and filtered. Not only that, the hair on the nose also works to increase the humidity of the inhaled air. It is very important to the process of respiration continued.

4. Mustache, beard, chest hair and stomach

Function mustache and beard is a sign of secondary sex for adult men, or in other words, as one distinguishing between men and women. As with mustache and beard, hair on the function of the chest and abdomen is a sign of secondary sex for adult men.

5. In the armpit

As with any other body hair, armpit hair usually starts to grow at puberty and grow normally until the end of adolescence, ie 18-20 years. Permeation of the pheromone from the armpit on the level of human development shows the link between underarm hair with keseksualan. Positive response to stimuli in the mammalian olfactory and sex strong insistence caused by the permeation of the pheromone provide guidance on the objectives and interests of the human armpit hair. Never say THAT hair itself acts as an "anti-friction" between the original so the upper arm to the thorax. More importantly, the original underarm hair so expel moisture from the skin which helps the skin that is dry enough to prevent the development of bacteria that emit odors.

6. In the Hands and Feet

The function of leg hair and hands is as the most efficacious means of a sensor. Suppose we walked on foot scrub. Things responded by our feet is a lot. Starting plants itchy or be able to respond if there was a caterpillar.