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Integumentary System Hair And Nails. These are all exocrine glands secreting materials outside the cells and body. Strands of hair originate from the base of the downward extension of living epithelial cells into the dermis that is called the hair follicle. It protects internal structures prevents the entry of infectious agents reduces water loss regulates body temperature produces vitamin d and detects stimuli. Integumentary system structures that decrease heat loss protect the scalp from sunburn filter air keep foreign particles out of the eyes and inner ear.
Hair is a component of the integumentary system and extends downward into the dermal layer where it sits in the hair follicle. Hair is part of the integumentary system. The integumentary system cov ers the outside of the body. The word integument means covering. Hair growth is similar to the growth of the epidermal layer of the skin. Hair chapter 18 lesson 16 transcript.
The most obvious function of the integumentary system is the protection that the skin gives to underlying tissues.
Integumentary system hair skin nails and exocrine glands danielle silva the body s largest organ. Strands of hair originate from the base of the downward extension of living epithelial cells into the dermis that is called the hair follicle. The integumentary system cov ers the outside of the body. The most obvious function of the integumentary system is the protection that the skin gives to underlying tissues. One tiny involuntary muscle is attached to each hair. The word integument means covering.