The skin is the body’s biggest and heaviest organ. It must cover the full outside of the body, from the top of a person’s head to the end of their toes, in order to operate as a protective barrier.
A hair follicle is a tunnel-shaped structure located in the skin’s epidermis (outer layer). Hair begins to grow at the base of a hair follicle. The protein cells that make up the hair root are supplied by blood from surrounding blood veins.
The skin is the body’s biggest and heaviest organ. It must cover the full outside of the body, from the top of a person’s head to the end of their toes, in order to operate as a protective barrier.
The nail serves to protect the fingers and toes from harm. It also aids in the perception of touch.
A hair follicle is a tunnel-shaped structure located in the skin’s epidermis (outer layer). Hair begins to grow at the base of a hair follicle. The protein cells that make up the hair root are supplied by blood from surrounding blood veins.
Sources:
https://www.verywellhealth.com/the-integumentary-system-anatomy-and-function-5114485
https://www.healthline.com/health/hair-follicle#anatomy