skin
epidermis
top part of skin
list the 4 organs in the urinary system
bladder, kidneys, ureters, urethra
cortex
outer part of kidney
lungs
primary excretion organ, removes carbon dioxide from body
dermis
lower part of skin
urethra
a tube that carries urine from the bladder to outside of body
medulla
inner part of kidney
liver
secondary excretion organ , does not excrete waste helps filter out toxins for the kidneys
primary excretion organ, removes sweat and some water salts and urea
skin
ureters
2 tubes that carry urine from each kidney to the bladder
nephron
microscopic filtering units located in the cortex
how urine forms
aorta pumps blood to the kidney blood enters cortex then to nephrons, water salts and urea go into Bowmans capsule it carries all that into a tiny tube. the rest of the liquid in the tube is urine, urine flows down the ureters into the bladder then to the urethra then to outside your body
the system that removes waste from the body
excretory system
kidneys
primary excretion organ that filters blood and produces urine
bowmans capsule
filtering unit in the nephron
elimination
undigested solid waste leaves the body through the large intestine
bladder
a muscular sack that collects and stores urine
excretion
removal of cellular waste