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Glossary of BIO 231 Chap. 1

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the units of elemnts such as oxygen, carbon, nitrogen and sobidum?
ATOMS
the combination of more than one atom?
MOLECULES
water, sodium chloride, proteins, carbohydrates, and lipids are examples of?
MOLECULES
funcamental unit of living things
CELL
group of cells of similar structure working together and performing the same function?
TISSUE
two or more different kinds of tissues make up?
ORGANS
highest levels of organization, in a structure
ORGANISM
sum total of all chemical processes occuring in the body
METABOLISM
breakdown of organic matters, usually with the release of energy.
CATABOLISM
buildup of organic matters, usually requring an input of energy?
ANABOLISM
process in which an organism obtains materials from the environment and increases its mass?
GROWTH
the result of contracting muscle cells?
MOVEMENT
the ability of cells to receive stimuli and transport them from one body part to another?
CONDUCTIVITY
ability of the body to replicate itself? Can refer to formation of new cells fro growth, repair or replacement or the production of an entirely new individiual.
REPRODUCTIONS
the response of the body to an internal or external stimulus
IRRITABILITY
the process of removing waste products from the body?
EXCREATION
steady-state of equilibrium existing in the body and the maintenance of this state?
HOMEOSTASIS
NORMAL VALUE of a variable factor such as temperature?
SETPOINT
detection of any deviation from the setpoint is caused by?
RECEPTORS OR SENSORS
What implements the response to return the body to homeostatis?
EFFECTORS

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