Endocrine system

• Hormones


  Chemicals released by glands into the bloodstream that trigger effects in specific target organs
• Endocrine system


  • The system that involves the release of hormones into the bloodstream
• Secondary sexual characteristics


  Physical features that develop during puberty and distinguish the two sexes, e.g. pubic hair in men
• Testosterone


  Hormone produced by the testes that stimulates the production of sperm
• Estrogen


  Hormone produced by the ovaries