obj: given video, notes, activity sheet swbat explain the structures/functions of the excretory...
DESCRIPTION
Excretory System Notes Excretory Organs: kidneys, lungs, skin, ureter, urinary bladder, urethra Kidneys: organ which removes liquid waste from the blood; a “filter”; humans have 2 kidneys Urea: breakdown of protein Liquid waste: urine (urea, water, other) Ureter: tube which connects from kidneys to urinary bladder. Urinary Bladder: saclike muscular organ which stores urine. Urethra: tube which connects urinary bladder to outside of body.