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blood vessel that supplies the heart muscle with blood.
a form of potential energy stored in chemical bonds and released in a chemical reaction.
the factor in an investigation that is under the control of the investigator.
a blood vessel that carries blood away from the glomerulus and branches to form a capillary...
lasting or continuing throughout the entire year, as a stream.
large spongy organs in which gaseous exchange takes place in vertebrates (with the exception of...