1. 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

2. 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

3. 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.

4. 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

5. 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

6. 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