1) Hormones are a) chemical messengers b) electric impulses 2) The CNS stands for a) central nervous system b) cerebal neurological site c) cranium nerve spinal 3) adrenalin is made in the a) kidneys b) liver c) pancreas 4) insulin is made in the a) pancreas b) testes c) ovaries 5) oestrogen causes a) head aches b) puberty in girls c) high voicess in males 6) The pituitary gland is known as the master a) chef b) gland c) organ d) bates

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