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animal tissues

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Term
Definition
Stem Cell   Cells that divide to create more stem cells, which then specialize in order to replace dead or damaged tissue  
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Pluripotent   Cells that have the potential to become any other kind of cell?  
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Tissue   a group of cells with different jobs who come together to perform a specific task  
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Epithelial Tissue   cover body surfaces and line internal cavities  
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Connective Tissue   hold body parts together and provide structural support  
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Muscle Tissue   move body and its parts  
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Nervous Tissues   detect stimuli and relay messages  
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Organ   2 + tissues that come together to do a specific task or tasks  
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Organ System   2 + organs that come together in order to do a specific task or tasks  
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Interstitial Fluid   fluid between body cells  
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Natural Selection (in this context)   determines the evolution of body plans  
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Squamous Epithelium   flattened/platelike, bloodvessels & surface of the lungs, allows easy diffusion  
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columnar & cuboidal epithelium   greater internal volume, thicker and more protective,  
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glandular epithelium   secrete substances that function outside of the cell  
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exocrine glands   have ducts or tubes that deliver secretions onto internal or external structures  
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endocrine glands   ductless, secrete hormones as messengers into the blood stream  
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Carcinomas   epithelial cell cancers  
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fibroblasts   connective tissue cells that secrete collagen and other parts of the extracellular matrix  
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Aerolar Connective Tissue   less fibroblasts and protein fibers in gelatinous extracellular matrix,  
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Dense connective tissue   more fibroblasts and protein fibers  
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Irregular connective tissue   oriented randomly, deep skin layers & protection in internal organs  
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regular connective tissue   uniform appearance, tendons an ligaments  
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cartilage   connective tissue w/ living cells in a rubbery extracellular matrix  
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adipose tissue   specialized to store fat as energy  
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bone tissue   living cells surrounded by an extracellular matrix surrounded by living cells  
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blood   fluid connective tissue (cells, plasma, platlets)  
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muscle tissue   cells capable of ATP fuelled contractions  
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skeletal muscle tissue   voluntary movement  
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cardiac muscle   striated, involuntary muscle of the heart wall  
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smooth muscle   involuntary, NOT striated  
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epidermis   outermost layer of epithelial tissue  
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dermis   deep layer of skin, has connective tissue, nerves, &blood vessels  
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integumentary system   skin,helps with removing wastes and protecting the body from injury  
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nervous system   detects and coordinates responses to stimuli  
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endocrine system   secretes hormones that control the activity of other systems  
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muscular system   move body parts and produce heat  
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skeletal system   supports and protects body parts, site of muscle attatchment, produces red blood cells  
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circulatory system   distributes heat and materials throughout the body  
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lymphatic system   collects and returns tissue fluid to the blood, defends against infections and cancer  
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respiratory system   intake oxygen, expel CO2  
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digestive system   take in food & water to absorb nutrients  
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urinary system   maintains volume & composition of blood, expels liquid waste  
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reproductive system   eggs & sperms  
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negative feedback mechanisms   a change that causes a response that reverses the change  
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