NUTR 125 Lecture Notes - Lecture 14: Gallbladder, Large Intestine, Glycerol
Document Summary
The role of amount and type of food. Research shows that foods containing protein have the highest satiety value. Another factor affecting hunger is how bulky the meal is- how much fiber and water is in the food. Bulky meals stretch the stomach which sends signals back to the hypothalamus telling us we are full, so we stop eating. Sensory data: food stimulate our 5 senses. Organization from smallest functional units to functional systems. Cells are the smallest functional unit of living organisms. Tissue is a collection of cells with a similar origin organized to form organs. Organ system is a group of organs that function together. Cells can grow and reproduce themselves, take in nutrients and excrete waste. Cells of a single type join together to form tissues. Several types of tissues join to form organs. Organs are sophisticated structures that perform a unique body function. Organs are grouped into systems that perform integrated functions.
