Similarites and differences in genders

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Hormones are the chemical substances secreted within the body by a system of glands (Carducci, 2002). Both genders possess gonads glands which are responsible for release the hormones responsible for regulating sexual development; male gonads are testes and ovaries in females. The hormones released by the gonads are androgen and testosterone in males and estrogen and progesterone in females. These hormones influence the development of primary sexual characteristics including the major reproductive organs (Carducci, 2002) as a part ...