The Roles Of Insulin

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Insulin was first discovered by Frederick Banting and Charles Best on July 30th 1921 when they injected a diabetic dog with their newly discovered extract and found that it effectively lowered the dog’s blood glucose levels to normal. After a lot more testing and cleaning of the hormone for humans it was then first tested on a 14 year old boy in 1922 who was close to death. The test was a success as it rapidly regained his strength and appetite. 2) Which organ produces the hormone and how does the hormone work in the human body? Insulin is a hormone produced by the pancreas. Insulin works in the body by acting as a key to bring glucose levels to normal. So when the stomach breaks down food, some of it is broken down to sugars called…show more content…
Injecting Insulin 3) Write about the important role of the pituitary gland? Why is it called the master gland? The main role of the pituitary gland is to control and help regulate the activities of other endocrine glands. It is often called the ‘master gland’ because it controls the activities of other endocrine glands such as the ovaries, the testes, adrenal gland and also the thyroid gland. 4) A person may suffer from a number of symptoms when they fail to regulate the production of this hormone. What are these symptoms and describe how this condition can be treated? If the pancreas fails to regulate the production of insulin the person would suffer from a number of symptoms. The name given to the condition where a pancreas either doesn’t produce insulin at all or doesn’t produce sufficient amounts is called diabetes. So when people with diabetes eat glucose, which is in foods such as breads, cereals, fruits, starchy…show more content…
This is why blood glucose levels are higher in people with diabetes. There are two main types of diabetes, ‘Type 1 diabetes’ in which the pancreas doesn’t produce any insulin and ‘Type 2 diabetes’ where the pancreas makes some insulin but it is not produced in the amount the body needs. To stay alive, people with type 1 diabetes depend on up to four insulin injections every day. These insulin injections provide the body with the insulin the pancreas fails to produce. They must also test their blood glucose levels several times

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