Combustion is a chemical reaction that produces heat and light. The most common form of combustion is fire. Most forms of combustion happen when the gas oxygen joins with another substance.For example, when wood burns, oxygen in the air joins with carbon in wood.ombustion is a chemical reaction that produces heat and light. The most common form of combustion is fire. Most forms of combustion happen when the gas oxygen joins with another substance.
The role of insulin in the body. It may be easier to understand the importance of insulin therapy if you understand how insulin normally works in the body and what happens when you have diabetes. Regulate sugar in your bloodstream. The main job of insulin is to keep the level of glucose in the bloodstream within a normal range.
The role of insulin and glucagon in glucose metabolism. Insulin and glucagon work synergistically to keep blood glucose concentrations normal. Insulin: An elevated blood glucose concentration results in the secretion of insulin: glucose is transported into body cells.The uptake of glucose by liver, kidney and brain cells is by diffusion and does not require insulin.Click on the thumbnail for details of the effect of insulin:nsulin: An elevated blood glucose concentration results in the secretion of insulin: glucose is transported into body cells. The uptake of glucose by liver, kidney and brain cells is by diffusion and does not require insulin. Click on the thumbnail for details of the effect of insulin: