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Megan Bateau
The Skin
Question | Answer |
---|---|
Epithelial tissue | covers and protects the body surface, lines body cavities, specializes in moving substances into and out of body, or particular organs, forms glands |
Connective tissue | functions to support the body and its parts, connect and hold them together, transport substances through the body, and protect it from foreign invaders. |
muscle tissue | produces movement; it moves the body and it's parts by shortening and lengthening the contractile units found in cytoplasm. also produces most of the body heat |
nervous tissue | most complex tissue in the body. specializes in communication amount various parts of the body and integration of their activities. major function is the generation of complex messages that coordinate the body functions |
epidermis | top layer of the skin; acts as a protective barrier, makes new skin, protects the body, provides skin color |
dermis | middle layer of the skin; has collagen and elastin, grows hair, has nerves so you can feel hot and cold, makes oil, produces sweat, supplies blood |
hypodermis | bottom layer of the skin; cushions muscles and bones, has connective tissue, helps the nerves and blood vessels, regulates body temperature |
collagen | an arrangement of twisted bundles that provides great tensile strength |
extracellular matrix | fluid material between the cells |
proteoglycans | proteins that are heavily glyosylated; enables tissue to withstand compressional forces by swelling and hydration |