FSN 210 Lecture 15: Nutrition 210 Day 15
16 Nov 2016
School
Department
Course
Professor
Document Summary
Must maintain the right amount of water in the body. Can only live for three days without water. 55% of an adult"s body weight is water. Water in each compartment is regulated by electrolyte concentrations. Water is attached to electrolytes and moves via osmosis. Moves from low solute concentration to high solute concentration. A low ion concentration leads to blood cell swelling. A high concentration leads to blood cell shrinking. Beverages are better and more direct water intake. Adequate intake is around 11 cups for women and 15 cups for men. Water input and output need to be balanced. Lack of water cause a decrease is blood pressure. Pituitary glands release adh which signals the kidneys to retain water. When blood pressure decreases renin is released by kidneys. Develops when the kidney can"t remove water fast enough. Essential, inorganic elements needed in small amounts for function, growth, and maintenance of tissues. More than 100 mg and found in larger quantities.
