Urinary+System+hw-+kat

Urinary System Homework p.189

(1) What are the organs of the urinary system, and what are their functions?
The urinary system includes the kidneys, ureters, urinary bladder, and urethra. - The kidneys are the primary organs of excretion. This is the where the blood is filtered and wastes removed. - The ureters move the urine from the kidneys to the bladder. - The urinary bladder stores urine until it is removed from the body. - The urethra is the tube that extends from the urinary bladder to an external opening, so it actually removes the urine.

(2) In what four ways do the kidneys help maintain homeostasis?
1. They excrete metabolic wastes, including nitrogenous wastes. 2. They maintain the right water to salt balance in our blood.



(4) What microscopic structure is responsible for the production of urine?
The nephrons produce our urine.