biology 1.0 / 5 based on 1 rating ? BiologyNervous system, hormones and behaviourGCSEAQA Created by: cal1325Created on: 12-05-17 12:03 what is the nervous system network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body. 1 of 5 what is a hormone Hormones are chemical messengers 2 of 5 what is the male hormone testosterone 3 of 5 what is the female hormone estrogen 4 of 5 what structures make up the nervous system central nervous system (CNS) and the peripheral nervous system (PNS). 5 of 5
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