chapter 6 def Flashcards
urinary system
identify 4 organs of the urinary system
kidneys (2), bladder, urethra & ureters
what are the 4 functions of the urinary system
removes waste, regulates fluid volume, maintains electrolyte concentration in body fluid and assists with blood pressure regulation
where are the kidneys located
posterior wall of the abdominal cavity
function of the kidneys
remove waste from the blood, maintain water and electrolyte balance and secrete urine
the unit cell of the kidney is called the
nephron
about 1 million ___ are located in each kidney
nephron
what is the renal pelvis and what shape is it
funnel-shaped reservoir that collects urine and passes it to the bladder
describe the ureters
2 slim tubes, 10 -13 inches, receive urine from the urinary pelvis and carry to the posterior of the bladder
urinary bladder
muscular hollow organ that holds urine temporarily
urethra
lowest part of the urinary tract through which urine passes …. through urinary meatus to outside of the body
the three layers of the kidney
capsule, cortex, medulla
what is the renal column an extension of ?
extension of the renal cortex which is the middle layer of the kidney
3 roles of the renal column
helps to be supportive/structure, helps to house blood vessels, helps urine move in the correct direction/facilitates the flow of urine
location and roles of the minor calyx
at the tip of the renal pyramids and collects urine produced in nephron and transports it to major calyx
renal pyramds AKA _____
renal papillae
