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34 Cards in this Set
- Front
- Back
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anatomy
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study of an organism's structure
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physiology
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study of functions or processes of an organism
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tissue
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unit of small cells to perform a specific function
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organ
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unit of several tissues that together perform a specific task
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organ system
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consists of multiple organs that together perform vital body functions
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epithelial tissue
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sheets of closely packed cells that cover the entire surface of your body and form lining of internal organs '
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connective tissue
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hold together support other tissues, to cushion, connect, insulate organs
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nervous tissue
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communication system that makes behavior possible
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neuron
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nerve cell
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skeletal muscles
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voluntary muscles that allow body movement
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cardiac muscle
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involuntary, makes heart pump blood
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smooth muscles
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involuntary muscles found in most organs
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homeostasis
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internal stability
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hormone
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signal molecule released into the blood stream that triggers responces
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interatital fluid
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aqueous(water) solution that fills the gaps bwtn cells in a tissue
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intergumentary system
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outer covering that physicaly separates the body from external environment
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epidermis
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outer layer of skin
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melanin
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pirmented protien that gives skin its color
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dermis
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layer of skin below epidermis supporting it
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hypodermis
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tissue layer under dermis, has edipose tissue, a connective tissue that stores fat cells and blood vessels
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vertebra
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segment of the backbone. protect nerve cord
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cartilage
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type of connective tissue, softer than bone
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marrow
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specialized tissue found in bone
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joint
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area where bones meet
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ligament
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strong fibrous connective tissue that holds bones together in movable joints
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arthritis
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skeletal disorders cause by inflamed joints
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osteoporosis
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disorder where bones become thinner, porous and easily broken
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tendon
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dense connective tissue that connects muscle to bone
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muscle fiber
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single, long cylindrical muscle that has many nuclei
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myofibril
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unit of muscle fiber made up of smaller units that contract
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sarcomere
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unit of contraction in a muscle fiber
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actin
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twisted, thin filament in a muscle fiber
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myosin
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think filament in a muscle fiber, has bump like projections
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dessication
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drying out
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