Integumentary system
The integumentary system is about the external covering of the body (skin).
Functions: Skin, nails, hair,exocrine gland, and nerves . its main function is waterproof cushions and protects deeper tissue from injury. It also excretes salts and urea in perspiration and helps regulate body temperature. Skin Function: Protection, Regulation, and Sensation. Nails Function: Protects distal phalanx from trauma. The nail also lets you pick up small things. Hair Function: Protection,regulation of body temp., storage of evaporation of perspiration, and also act as a sense organs. Sweat Gland: Secrete substances known as hormones directly into the bloodstream rather than through ducts. |
https://prezi.com/pbbg9qhvjsax/integumentary-and-excretory-systems-by-colin-barnes-and-qasim-rathur/ |
skin
https://lakshya98.wordpress.com/biology/integumentary-system/
Chemical Damage Bacterial Damage
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nails
http://classes.midlandstech.edu/carterp/Courses/bio210/chap05/lecture1.htm
Stratum Basale extends beneath the nail bed Lack of pigment makes the nail colorless
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hair
http://faculty.southwest.tn.edu/rburkett/integumentary_system.htm
cortex surrounds medulla cuticle on outside of cortex
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sweat gland
http://classes.midlandstech.edu/carterp/Courses/bio210/chap05/lecture1.htm
Some metabolic waste Fatty acids and proteins
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