FNN 111 Lecture Notes - Lecture 3: Hypothalamus, Mucus, Lipase

• School: Ryerson University
• Department: Nutrition and Food
• Course: FNN 111
• Professor: Barbara Mc Govern

Document Summary

Building blocks for growth and maintenance of body tissues. Hunger a physiologic sensation that prompts one to eat. Appetite a psychological desire to consume specific foods. Food is intimately connected to our sense of taste, but also stimulates our senses of. The hypothalamus region of the brain is the feeding centre. Nerve cells in stomach and small intestine sense food and send message to hypothalamus. Amount and type of food consumed influence satiety. The signals that prompt us to eat include. Nerve receptors in the stomach send signals to the hypothalamus to indicate if the stomach is full or empty. Blood glucose levels trigger the release of hormones called insulin and glucagon. Hormones: chemicals produces in specialized glands that travel in the bloodstream to target organs in other parts of the body: some hormones stimulate hunger, some hormones produce a feeling of satiety. Gastrointestinal (gi) tract: series of organs arranged as a long tube through which the food passes.