Nutrition knowledge key

Knowledge key 1. Describe in detail the role that the hypothalamus plays in determining whether or not you feel like eating. . When we have not eaten for a period of time, the amount of nutrients in the blood begin to decline. This drop stimulates the feeding center in the hypothalamus which signals us to eat. When the nutrient level of the blood begin to rise, the satiety center is activated and our desire to continue to eat declines.. 2. Name the key hormone that causes a feeling of hunger. Indicate where in the body it is produced and the process by which it operates. Ghrelin is produced by the stomach and travels to the brain to stimulate the hunger center as it deactivates the satiety center. 3. Name the key hormone that causes a feeling of satiety. Indicate where in the body it is produced and the process by which it operates. Leptin is produced by the fat cells which are also known as adipose tissue. The role of leptin is to alert the brain to turn off the hunger center and activate the satiety center when consuming a meal. 4. Name the four types of external forces that influence our eating habits and patterns and give an example of how you experience each in your life. The four types of external forces which influence eating habits includes ; Sensory - This impacts the life of my children everyday. Depending on the texture, color or smell will determine if they sit at the table for hours in disgust or if they will finish their meals in a decent amount of time. Normally there is always one who will not like the texture, the taste or the color of a food. Cognitive - My son is so use to apples that he eats them without thinking assuming this is a comfort food for him as he prefers this as a snack ,dinner ,breakfast unless there is steak involved . Advertising and Social Factors - My daughter loves to go to a Hibatchi restaurant for family gatherings and holidays with friends and family. We found out about the restaurant from a friend who had been invited prior with another friend . This is our prime spot for most occasions. 5. Explain the differences between hunger and appetite. Hunger is the internal drive to find and eat food. It is often experienced as a negative sensation. Appetite is the external drive that encourages us to find and eat food. It is related to pleasant sensations associated with food.