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| anterior body trunk inferior to ribs |
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| anterior surface of elbow |
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| area where thigh meets body trunk (groin) |
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| protects and supports body organs |
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| allows manipulation of the environment (movement) |
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| fast acting control system of the body |
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| glands secrete hormones that regulate processes |
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| blood vessels transport materials |
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| picks up fluid leaked from blood |
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| keeps blood constantly supplied with oxygen and removes carbon dioxide |
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| breaks down food into absorbable units |
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| eliminates nitrogenous wastes from the body |
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| atoms combine to form molecules |
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| cells are made up of molecules |
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| tissues consist of similar types of cells |
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| organs are made up of different types of tissues |
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| organ systems consist of different organs that work closely together |
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| hman organisms are made up of many organ systems |
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| its inside remains distinct from outside (necessary life function) |
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| includes all the activities promoted by the muscular system (necessary life function) |
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| Responsiveness (Irritability) |
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| ability to sense changes in the environment and then react to them (necessary life function) |
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| process of breaking down ingested food into simple molecules that can then be absorbed into the blood for delivery to all body cells by the cardiovascular system. (necessary life function) |
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| process of removing wastes from the body (necessary life function) |
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| production of offspring (necessary life function) |
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| Increase in size, usually accomplished by an increase in the number of cells. (necessary life function) |
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| taken in via the diet, containing chemicals used for energy and cell building. (survival need) |
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| chemical reactions that release energy from foods require this (survival need) |
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| accounts for 60 to 80 percent of body weight, single most abundant chemical substance in the body (survival need) |
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| must be maintained around 73 degreees celsius (survival need) |
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| force exerted on the surface of the body by the weight of air is referred to as this. (survival need) |
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| body's ability to maintain relatively stable internal conditons even though the outside world is continuously changing. |
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| body's ability to maintain relatively stable internal conditons even though the outside world is continuously changing. |
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| change in the environment |
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| sensor to detect change and send info down afferent pathway |
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| determines the level of severity and determines appropriate response |
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| info sent down efferent pathway to initiate response |
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| negative and positive feedback |
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| turns the system down, very common in body |
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| turns the system up, very rare in body |
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| homogenous mixture of two or more components |
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| the medium that does the dissolving |
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| only allows certain materials to pass thru |
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| random movement of particles from high to low concentration (passive transport process) |
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| diffusion of water (passive transport process) |
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| water and solutes are forced thru a membrane (passive transport process) |
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| moving potassium and sodium out of the cell against their concentraded gradients (active transport) |
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| movement out of the cell (active transport) |
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| toward the head or upper part |
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| away from the head or toward the lower part |
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| toward the front of the body |
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| toward the rear of the body |
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| toward the midline of the body |
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| away from the midline of the body |
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| close to the origin of the body |
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| farther from the origin of the body |
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| toward the body's surface |
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| away from the body surface, inward |
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| control center of the cell |
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| structures in the nucleus that carry genetic information |
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| direct formation during cell division |
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| storage organelles in the cell; mostly water |
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| originate from golgi apparatus, contain strong digestive enzymes to digest old organelles |
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| detoxifies a number of harmful or poisonous substances |
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| traffic director for cellular proteins |
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| makes proteins in the cell |
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| transport inside the cell |
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| connects body parts, found everywhere in the body |
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| highly specialized tissue to contract to produce movement |
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| lining, covering, glandular tissue of the body |
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| tissue that recieves and conducts electrochemical impulses from one part of the body to another |
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| found only in the heart, makes the heart beat, pumping blood |
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| no striations visible. found in the walls of hollow organs and blood vessels |
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| packaged by connective tissue, attached to the skeleton. voluntarily controlled, form the flesh of the body |
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| most widespread cartilage. abundant collagen fibers hidden by a rubbery matrix. forms supporting structures of the larynx, attaches ribs to chestbone, and is found on the ends of bones. |
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| found where a structure with elasticity is desired. external ear |
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| forms cushionlike disks between vertebrate |
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