Renal – medical term for kidneys Urinary System Cells produce waste that can become toxic if they accumulate the urinary system is responsible for eliminating liquid waste. Renal – medical term for kidneys

Function The purpose of this system is to: the urinary system removes salts and nitrogenous wastes maintains normal concentration of water and electrolytes maintains pH, controls red blood cell production and blood pressure

Terms Comparison of internal environment of cell to solution Isotonic - concentration are equal in and out. Hypertonic - concentration outside is greater than inside. Hypotonic - concentration inside is greater than outside.

Solutions Uniform mixtures of two or mores substances. They may be solids, liquids, gases, or a combination. Solute - dissolved substance. Solvent - substance that solute is dissolved in. ie salt=solute, water=solvent

Urinary System This system includes: consists of a pair of kidneys ureters urinary bladder expandable structure with transitional epithelial cells that change shape to allow for expansion and contraction. urethra

remove substances from the blood transport urine from the kidneys to the bladder stores urine Copy on worksheet and put in folder transports urine to the outside of the body