Human systems-Co-ordination Essay Example | Topics and Well Written Essays - 1000 words

Human systems-Co-ordination - Essay Example The hormones released by the gland effect on growth, sexual development, metabolism and system of reproduction. Pituitary Gland consists of anterior pituitary and posterior Pituitary (Endocrine System) Growth hormone - stimulates growth in early days and is vital for keeping up a strong body composition. In grownups it is also responsible for retaining muscle mass and bone mass. It can influence fat allocation in the body. Antidiuretic hormone - is stored in the posterior pituitary gland and adjusts water balance. Improper release of this hormone, this can lead to salt problems and water balance, and could can affect the kidneys. The hypothalamus is division of the brain that lies just over the pituitary gland. It discharges hormones that begin and end the release of pituitary hormones. The hypothalamus regulates hormone production in the pituitary gland by several "releasing" hormones. Some of these are growth hormone-releasing hormone, thyrotropin-releasing hormone, and corticoptropin-releasing hormone, Gonadotropin-releasing hormone (The hormone Foundation) Humoral factors assist to build up the lymphoid system, which is a system throughout the body that facilitate it to achieve a mature immune response in cells to defend them from attacking germs and bacteria. (Definition of Thymus) Pineal Gland has long been interest for the medical experts. It is located at the center of the brain It secretes a hormone called melatonin. Melatonin regulates sleeping habits. Studies prove an increased production of this hormone when night falls and thus people feel sleepy; when morning arrives the melatonin production drops which triggers alertness. (Dr. Gary Farr 2003) These are male’s twin reproductive glands that produce a hormone called testosterone. Testosterone assist a boy build up and then continue his sexual behavior. Throughout puberty, testosterone aids to carry about the physical modifications that turn a boy into an adult