urinary system
consists of two kidneys, two ureters, a bladder, and a urethra
Kidneys
filter water, & Blood
Urine
is a mix of water and liquid wastes
Ureters
Tubes that carry pee from kidneys to the bladder
Urinary bladder
muscular organ that stores pee
Urethra
Tube which carries pee out of the body
what are kidneys made of?
Nephrons
Filtration
Blood pressure forces water and small solutes out of capillaries
Reabsorption
Water and essential solutes return to the blood
Tubular secretion
H+ and other unwanted substances move out of capillaries and into the nephron