Hormones

• Hormones: a chemical substance, produced by a gland, carried by the blood, which alters the activity of one or more specific target organs and is then destroyed by the liver.
• Gland: Adrenal gland

  Hormone: Adrenaline

  Function: Prepares body for vigorous action
• Gland: Pancreas

  Hormone: Insulin

  Function: Reduces concentration of glucose in blood
• Gland: Testis

  Hormone: Testosterone

  Function: Causes development of male sexual characteristics
• Gland: Ovary

  Hormone: Oestrogen

  Function: Causes development of female sexual characteristics