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Are needed by the body in large amounts in order to maintain good health

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord

What disease is characterized by the unrestricted growth of abnormal cells on or in the tissues of the body? a) protozoan infection. b) cancer c) diabetes. d) coronary heart disease