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Endocrine System Demonstration
Transcript of Endocrine System Demonstration
Sophia U, and Mea P, (Endocrine) Pancreas Thyroid/Para-Thyroid glands Pituitary Gland Adrenal Glands Pineal Gland Thymus Thank This small two-inch gland is located in the neck, below the voice box. This is a very important gland in the endocrine system, because it regulates your metabolism, or how quickly your body uses energy from the food you eat. The thyroid gland secretes, or releases, hormones when the pituitary gland sends a chemical signal. The pituitary gland may be important, but that doesn't mean its big. It's the size of a pea, and it's still called the 'master gland'. It both produces and releases several different varieties of hormones from it's location at the base of the brain. Hormones may be delivered to destinations located around the body. The thymus gland is a very important gland that is located posterior to the sternum, and inside your ribs. This gland is only active until you mature, and after that, believe it or not, turns to fat. Until then, it works hard to help the body prevent autoimmunity, which is when the immune system turns against itself. Your adrenal glands are on top of the kidneys like caps. They help the body regain energy when it needs it. You may have heard of adrenaline, and thats basically what it releases. To be more scientific, they secrete hormones called corticosteroids that are accountable for helping with stress.
Adrenal glands causes the fight or flight reaction. It sends out adrenaline, or adrenalin, to the brain, and gives it this response. Fight means to stay and get rid of it, and flight means to run away, or to get away from the situation. The pineal gland is named after what it is shaped like; a pine cone. Scientists still haven't discovered it's full purpose and potential, but they do know that it secretes a hormone named melatonin, which is believed to run the sleep cycle (help you sleep/get to sleep).
An interesting fact about the pineal gland is that it is larger in children, but it starts shrinking as you mature. you Endocrine System The endocrine system, like any other is a very important system. Glands secrete hormones, which are basically the messengers of the body; they go to far away cells and give them messages such as 'stop eating - we're full'. This is a thyroid gland The part of the pancreas in the endocrine system is, wait for it, called the endocrine pancreas. It's still the same one, but its a part of it; the part that secretes hormones called insulin and glucagon. Bet you didn't know that insulin, the substance that causes diabetes when there's too little or too much, is a type of hormone. Glucagon, although, is a hormone that works in part with insulin to help regulate the body's level of glucose, or sugar in blood. Hypothalamus The hypothalamus secretes hormones (surprise!) that help control areas such as... Behavior and psychological state
Thirst and hunger
What hormones the pituitary gland produces and secretes
Body temperature for Watching