Excretory System Flashcards
Excretion
the process of removing wastes from the body
urea
a chemical that comes from the breakdown of proteins
urine
a watery fluid that contains urea and other wastes
ureters
two narrow tubes through which urine flows from the kidneys to the urinary bladder
urinary bladder
a sacklike muscular organ that stores urine
urethra
a tube through which urine leaves the body
nephron
tiny filtering factories in the kidneys that remove wastes from blood and produce urine
kidneys
remove urea and other wastes from the blood; the major organs of the excretory system
what substances do not pass through the blood
Blood cells, Blood plasma, proteins and glucose
What substances are found in urine
Water, salt, urea