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10 Cards in this Set
- Front
- Back
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homeostasis
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is the property of a system in which variables are regulated so that the internal conditions remain stable and relatively constant.
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Tissue
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when cells combine together they form a substance called TISSUE!!
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Organ
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a part of an organism that is often "self-contained" and has a specific function. example: Heart,liver |
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Organ system
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a group of organs that work together to perform one job or more functions.
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Epithelial cell
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covers the whole surface of the body. It is made up of cells closely packed and ranged in one or more layers
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Melanin
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a pigment occurring in your hair and skin of the eye in people and animals. It is the reason for tanning of skin exposed to sunlight.
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Epidermis
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the outer layer in a tissue inside a plant except for the places/periderm
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Dermis
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a thick layer of tissue underneath the epidermis that forms the true skin
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Follicle
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a small secretory cavity, sac, or gland
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sebaceous gland |
a small gland in the skin which secretes a lubricating oily matter (sebum) into the hair follicles to lubricate the skin and hair.
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