The integumentary system is the largest organ of the body that forms a physical barrier between the external environment and the internal environment that it serves to protect and maintain. (Physiopedia, n.d)
Hairs are thin, thread-like structures that grow from the skin of humans and animals, primarily composed of keratin. They serve various functions, including insulation, protection, sensory perception, and, in some cases, thermal regulation.
Hairs are thin, thread-like structures that grow from the skin of humans and animals, primarily composed of keratin. They serve various functions, including insulation, protection, sensory perception, and, in some cases, thermal regulation.