INTEGUMENTARY SYSTEM - INTEGUMEN = covering - Composition of the integumentary system 1. skin 4. specialise glands (i.e. sweat and oil glands) 2. hair5. switch cells (i.e. keratinocyte) 3. nails6. specialized receptors (i.e. Meissner and Pacinian Corpuscles) - Functions of the Integumentary System 1. Maintain Body Temperature * The production of stew by sudoriferous (sweat) glands helps to begin system temperature back to general. * Changes in the rise of blood to the skin in like manner alter its insulating properties and help to adjust proboscis temperature. 2. Protection * The skin covers the body and provides a physical barrier that protects tissues from physical abrasion, bacterial invasion, dehydration, and UV radiation. * Hair and nails also have protective function. 3. Perception of Stimuli * Contains example endings and recept ors that detect stimuli link to temperature, touch, pressure, and pain. 4. Excretion * Not only does sweating gestate a role in helping to grade normal body temperature, it also assists in the excretion of menial amounts of water and salts. 5. deduction of Vitamin D * Vitamin D is actually a group of closely related compounds.
Synthesis of vitamin D begins with the energizing of a precursor molecule in skin by UV rays in sunlight. Enzymes in the coloured and kidney then specify the molecule m aking vitamin D. 6. Immunity * Certain! cells (i.e. Langerhans cells) of the epidermis are important components of immunity. 7. Blood Reservoir * The dermis has an open blood vessel network that accounts for 8-10% of blood flow in an adult. Skin - 2 Principal Parts of Skin 1. epidermis - avascular; epithelial tissue 2. dermis - vascular; hypodermic layer;...If you want to get a full essay, ordain it on our website:
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