INTEGUMENTARY SYSTEM
INTEGUMENTARY SYSTEMIS COMPOSED OF NAILS, HAIR AND THE SKIN. INTEGUMENTARY SYSTEM PROTECTS US FROM PATHOGEN INVASION, HELPS KEEP THE BODY FROM DRYING OUT, ACTS AS STORAGE FOR FATTY TISSUE, PRODUCES VIT. D, PROVIDES SENSORY INPUT, AND IT REGULATES BODY TEMPERATURE. SKIN IS COMPOSED OF 3 LAYERS THE EPIDERMIS, THE DERMIS AND THE SUBCUTANEOUS FASCIA. NAILS ARE SPECIALIZED CELL ORIGINATING FROM THE NAIL ROOTS. HAIR HELPS REGULATE BODY TEMPERATURE. IT IS COMPOSED OF KERATIN. SHAFT IS THE HAIR THAT YOU SEE. SEBUM IS SECRETED BY THE SEBACEOUS GLANDS THAT IS OILY AND SOMEWHAT ANTIBACTERIAL
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