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The Human Body (Tissue (Definitiion: Group of connected cells that have a…
The Human Body
Tissue
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Connective Tissue: Cells that form from the body's structure.
Ex: Blood, Bone, and Cartilage
Epithelial Tissue: Lining of the inner and the outer body surfaces.
Ex: Skin, lining of digestion track
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Nervous Tissue: Neurons which are nerve cells which carry electric signals.
Ex: Brain and Spinal Cords
Cells
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Cell Diffrentiation: The process of the cell becoming specialized. They all start off as stem cells.
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Stem Cells: Cells that can give rise to different types of specialized cells. Stem cells are useful for humans because they are able to make new body tissue and able to repair the damaged tissue.
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Organ Systems
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Respiratory triggers faster breathing, excretory triggers water retention by kidneys if dehydrated, and endocrine triggers insulin if their is too much sugar in the blood