Title: Explain the anatomy and physiology of the urinary system.
Course: Nurse Aide (14051) > Section: Unit VIII: Personal Care Skills

Explanation should include

- kidneys – most people have two; regulates water, sodium, and potassium; removes toxins and waste from the blood
- ureters – carry urine from the kidneys to the bladder
- bladder – collects and holds urine
- internal urethral sphincter – muscle that holds the neck of the bladder closed
- urethra – carries urine from the bladder to the outside of the body; 3 to 4 inches in females and 7 to 8 inches in males
- external urethral sphincter – muscle that contracts to prevent urine from exiting the urethra
- urethral meatus – opening to the outside of the body at the end of the urethra.