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The Importance of the Endocrine System
Transcript of The Importance of the Endocrine System
Testicles/Ovaries Why is it important? The Endocrine system is one of the most important parts of the body because overall, it regulates mood, controls growth/development, metabolism, tissue functions and also all of your sexual and reproductive systems! Parts! Pituitary gland! The Pituitary gland is one of the most important
parts of the entire Endocrine system; it is located at the bottom of the skull, in between the optics (eyes). The pituitary gland is often referred to as the "Master Gland" because it is in charge of controlling the body's hormonal activity! Examples of this activity are body temperature, thyroid activity, growth during earlier years of life, testosterone production (in males), ovulation and estrogen production (in females). Overall, this gland is the "brain" of all hormonal production and secretion! & Hypothalamus The Hypothalamus is located at the lower region of the central brain (right above the pituitary gland). This is the main link between the Nervous system and the Endocrine system! Nerve cells located in the hypothalamus control the secretion of hormones from the pituitary gland. It does so by producing chemicals which are in charge of stimulating the pituitary when necessary. Pancreas The Pancreas is another hormone secreting system. It produces and secretes enzymes that help with digestion. These enzymes being insulin and glucagon which are hormones in the body that work together to maintain the glucose (sugar) levels in the blood. Thyroid gland The thyroid gland is located at the front of the neck and it is shaped like a bow-tie. This gland produces the hormones; Thyroxine and Triiodothyronine which controls the rate at which cells break down food to make energy. The production and secretion of the thyroid hormones is controlled by Thyrotropin which is a secondary hormone secreted by the Pituitary gland! Adrenal glands The Adrenal glands are two triangular shaped glands located above each kidney! These two glands have two primary functions.
1. To regulate salt and water balance in the body as a reaction to stress and metabolism with the production of hormones called Corticosteroids (related to Cortisol, the stress hormone).
2. The production and secretion of hormones such as Epinephrine (also known as adrenaline) which controls the heart rate and blood pressure as a physical reaction to stress. Ovaries The Endocrine System! What does the Endocrine system do? The Endocrine system secretes hormones through the blood stream which are received by special cells with hormone receptors known as target cells. There are different types of receptors on target cells for every different type of hormone that is secreted; each serves its own purpose! The different glands and organs produce and secrete their specific hormones while the pituitary gland monitors all the hormone levels to ensure that the body is always at a constant, "normal" level. The ovaries are found only in the female body and its main function is to produce estrogen alongside progesterone which are the two hormones accountable for puberty. Hormones cause breast growth, accumulated body fat around the hips and thighs and also growth spurts. The testicles are glands that are found only in the male body and are responsible for producing and secreting hormones known as testosterone. Testosterone is a hormone necessary for growth and development. This hormone is similar to estrogen found in the female body. Taraneh Kiarash Melody