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30 Cards in this Set
- Front
- Back
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What are subatomic particles?
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Neutrons, protons, and electrons
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What are some organelles?
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mitochondrion, Golgi Apparatus, nucleus
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What is Anatomy?
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the study of structure.
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What is Physiology?
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the study of function. Structure is always related to function.
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What are the levels of organization?
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subatomic particle, atom, molecule, macromolecule, organelle, cell, tissue, organ organ system, organism
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What uses high frequency sound waves and is relatively quick and inexpensive?
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Ultrasonography
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What requires an injection of a dye and produces computerized images from different angles?
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Magnetic Resonance Imaging (MRI)
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Movement is what?
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change in position; motion
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Responsiveness
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the reaction to a change.
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Growth
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increase in body size, but no change in shape.
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Reproduction
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production of new organisms and new cells
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Respiration
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obtaining oxygen; removing carbon dioxide; releasing energy from food.
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Digestion
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breakdown of food substances into simpler forms.
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Absorption
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passage of substances through membranes and into body fluids
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Circulation
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movement of substances into body fluids
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Assimilation
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Changing of absorbed substances into chemically different forms.
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Excretion
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removal of wastes produced by metabolic reactions.
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What are the five environmental factors that life depends on?
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Water, Food, Oxygen, Heat, and Pressure.
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What are four characteristics of water?
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It is the most abundant substance in the body. It is required for metabolic processes. Required for transport of substances. And it regulates the body temperature.
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It provides the necessary nutrients. It supplies energy. And it supplies raw materials.
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Food
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1/5 of air and it is used to release energy from nutrients.
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Oxygen.
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It is a form of energy and it partly controls the rate of metabolic reactions.
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Heat
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Application of force on an object
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Pressure
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What is homeostasis?
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The body's maintenance of a stable internal environment.
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Receptors do what
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provide information about stimuli.
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Control Center
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tells what a particular value should be.
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What are effectors?
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elicit responses that change conditions in the internal environment. (muscles or glands)
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Homeostatic Mechanisms
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Stimulus > Receptors > Control Center > Effectors > something is corrected > Stimulus
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This covers an organ.
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Visceral layer
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This lines a cavity or body wall.
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Parietal Layer
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