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10 Cards in this Set
- Front
- Back
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role of skin in vitamin D synthesis promotes calcium absorption needed for bone growth and maintenance; supports the skin at scalp and other places where bone lies close to the surface
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skeletal system
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vitamin d promotes absorption of calcium needed for muscle contraction, skin dissipates heat generated by muscle; active muscles generate heat and warm the skin, muscles pull on skin and produce facial expression
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muscular system
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sensory impulses from skin transmitted to nervous system, vitamin d promotes absorption of calcium needed for signaling between nerve cells; regulates diameter of cutaneous blood vessels stimulates perspiration and contraction of piloerector muscles
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nervous system
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vitamin d3 acts as a hormone; sex hormones cause integumentary changes at puberty, some hormone imbalances have pathological effects on skin
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endocrine system
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dermal vasoconstriction diverts blood to other organs, skin prevents loss of fluid from circulatory system, dermal mast cells cause vasodilation and increased blood flow, skin serves as a major blood reservoir; delivers o2, nutrients, and hormones to skin and carries away wastes, hemoglobin colors skin
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circulatory system
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dendritic cells detect foreign substances; lymphatic system controls fluid balance and prevents edema; immune cells protect skin from infection and promote tissue repair
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lymphatic/immune system
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nasal guard hairs block inhalation of some debris; provides o2 and removes co2
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respiratory system
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complements urinary system by excreting salts and some nitrogenous wastes in sweat; disposes of wastes, maintains electrolyte and pH balance
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urinary system
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vitamin d promotes intestinal absorption of calcium; provides nutrients, nutritional disorders often cause pathological changes in integumentary system
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digestive system
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cutaneous receptors respond to erotic stimuli, mammary glands produce milk to nourish infants, apocrine glands produce pheromones with subtle sexual functions; gonadal sex hormones promote growth, maturation, and maintenance of skin
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reproductive system
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