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4
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The system that delivers oxygen and nutrients throughout the body by a complex network of vessels, arteries, arterioles,...
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5
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The evaporation of water from the plant tissues into the surrounding atmosphere.
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6
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Metabolic pathways are series of chemical reactions occurring within a cell.
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8
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The tiny pores in the surface of a leaf or stem through which gases are absorbed or released.
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10
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A semipermeable membrane.
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11
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Is osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves.
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12
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A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form..
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13
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In refrigeration and air conditioning systems, (also called the low side pressure).
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15
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The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
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18
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Heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature.
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1
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Any substance that increases the rate of a chemical reaction but is not altered in the reaction.
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2
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An organ in vertebrate animals that functions to maintain proper water balance, regulate acid-base concentration, and excrete soluble wastes as urine.
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3
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Specialized protein molecules that speed up the rate of chemical reactions.
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4
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The organs and tissues involved in circulating blood and lymph through the body.
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7
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Diffusion of water across a selectively permeable membrane, from a greater water concentration to an area of lesser water concentration.
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9
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The number of heat units needed to raise the temperature of a body by one degree.
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14
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A gland at the base of the brain that sends messages to other endocrine glands.
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16
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Random movement of molecules of a dissolved or suspended substance due to the energy of the molecules themselves.
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17
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Any of the branching blood vessels that form a network between the arterioles and venules.
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19
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(of a material or membrane) Allowing liquids or gases to pass through it.
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