Module 11.2

Module 11.2 - Module 11.2 Hunger Motivation Ordinarily the...

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Module 11.2 Hunger Motivation Ordinarily the main factor for ending a meal is distension of the stomach and intestines When hungry, stomach releases ghrelin hormone Glucose: the most abundant sugar in your blood, is an important source of energy for the body and almost the only source for the brain Hunger signaled by drop in glucose that enters the cells Basically - hunger is a mechanism that motivates you to supply enough glucose Insulin: increases the flow of glucose and several other nutrients into body cells Released by pancreas Promotes movement of glucose out of the blood and into the cells that need fuel/ store nutrients for future use Hours after meal blood glucose levels start to drop Pancreas secretes hormone glucagon that stimulates the liver to release stored glucose back into the blood Set point: mean weight. A level that the body works to maintain This depends on the hormone leptin: which the body's fat cells release in amounts proportional to their mass When body gains weight extra leptin alters activity in neurons. Tells your body to eat less
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This note was uploaded on 01/26/2012 for the course 830 201 taught by Professor Leyton during the Spring '08 term at Rutgers.

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Module 11.2 - Module 11.2 Hunger Motivation Ordinarily the...

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