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a muscle, gland or organ capable of responding to a nerve impulse in order to bring about a reaction to stimuli.
a molecule formed during glycolysis by the breakdown of glucose.
chemicals used as the propellants in aerosol sprays, as coolants in fridges, air conditioners...
any disease that is caused by a virus or a bacterium or any other micro-organism.
the blood vessel that carries blood from the digestive tract to the liver.
the structure that separates the right ventricle from the pulmonary artery. It prevents the...