1. To protect the body from diseases causing germs, called pathogens-Senses surroundings- cool and regulate the temperature of the body
- the occurrence of inflamed or infected sebaceous glands in the skin; in particular, a condition characterized by red pimples on the face, prevalent chiefly among teenagers.
- It occurs when glands (called sebaceous glands) in the follicles of the skin become overactive. These glands produce sebum, an oily substance that helps to stop the skin drying out. Someone with acne produces too much sebum, which forms a plug with dead skin cells and blocks the follicle.
- Gentle washing is important, but too much washing can irritate the whiteheads and blackheads, causing them to be more infected and making more pimples.