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Cards In This Set
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Acetylcholine (ACH)
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Chemical transmitter substance released by some nerve endings
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Acid-base balance
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Situation in which the pH of the blood is maintained between 7.35-7.45
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Acid
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A compound that yields H+ ions in solutions or a solution with the concentration of H+ exceeding OH-
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Actinides
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The row of elements below the periodic table, from thorium to lawrencium
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Action potential
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A large transient depoloarization event, including poloarity reversal, that is conducted along the membrane of a muscle cell or a nerve fiber
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Active transport
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Membrane transport processes for which ATP is provided (eg. solute pumping and endocytosis
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Adaptation
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Receive, interpret, and respond to internal and external stimuli via the nervous system
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Adhesion
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Molecular attraction between dissimilar molecules; attraction between water molecules and molecules that make up the inside of a xylem tube
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Adrenergic fibers
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Nerve fibers that release norepinephrine
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Aerobic
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In the presence of oxygen
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Afferent (sensory) nerve
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Nerve that contains processes of sensory neurons and carries nerve impulses to the CNSA
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Agglutination
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Clumping of (foreign) cells; induced by crosslinking of antigen-antibody complexes
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Agonist
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Muscle that bears the major responsiiblity for effecting a particular movement; a primer mover
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Alkali metals
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The column of elements from lithium to francium
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Allele
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Any of the alternative forms of a gene
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