 Hormones makes your body change during puberty  Hormones are chemical substances produced in certain glands that help to regulate the way your body functions.  They are produced by organs of the endocrine system  Endocrine System is the system of glands throughout the body to regulate body functions.

 Each gland makes one or more specific hormones  Hormones act like chemical signals  They tell your organs and tissues what to do  A major role of the endocrine system is to control metabolism  Metabolism is the process by which the body gets energy from food.

 Parathyroid Glands- regulate levels the calcium in the blood  Pituitary Gland- regulates body’s growth and development.  Thyroid gland- controls rate of metabolism.  Adrenal Glands- controls the body’s response to emergencies and excitement  Pancreas- controls the level of sugar in the blood.  Ovaries- controls sexual development and the maturing of eggs  Testes- controls sexual development and the production of sperm.

 Diseases develop if there is too much or too little of a hormone produced  Diabetes is a major disease  It is when the body doesn’t produce enough of the hormone called insulin  Or doesn’t respond to the insulin that is produced.  Insulin lowers the amount of sugar in the blood  People with diabetes have too much sugar in the blood  If not managed well people can suffer from  Poor circulation, nerve damage, heart disease, kidney failure, or blindness

TYPE 1TYYPE 2  Germ fighting cells attack the cells of the pancreas  Pancreas makes insulin  Body doesn’t produce enough insulin  Too much sugar in the blood  People must inject themselves with insulin on a regular basis  Not doing so can lead to coma or death  A person can produce insulin, but the body can’t use it well.  Usually develops in adulthood  Common in people who are overweight  People feel tired and sick to their stomachs  People with type 2 diabetes need to watch their diet and exercise regularly.

 This will effect metabolism  If the gland doesn’t make enough hormones to regulate metabolism you can develop hypothyroidism  You will feel tired, cold, dry skin and gain extra weight  Can delay growth in teens  A thyroid replacement hormone can treat people with hypothyroidism.  Hyperthyroidism is the opposite of hypothyroidism  Thyroid produces too many hormones  Excessive sweating, excessive eating, weight loss, tremors, and muscle weakness.