The renal system - The Kidneys
7 important questions on The renal system - The Kidneys
What is the Renal Medulla? What does it do?
The pyramids consist mainly of tubles that transport filtrated (filtered fluid) through papillary ducts. The pappillary ducts drain into calyces. Or cup-shaped cavities once filtrate enters the calyces it becomes urine as no further reabsorption can occur. From the calyces, urine drains into a single large cavity called the renal pelvis.
What is the renal pelvis? What does it do?
The renal pelvis functions as a funnel for unrine flowing to the ureter.
What are nephrons? What do they do? Give two interesting facts about the nephrons.
Filter blood
perfom selective reabsorption
Excrete waste and excess water which becomes urine.
There are about 1 million nephrons per kidney, if the tubules were uncoiled they would equate to 75 miles in length.
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What is the Glomerular (Bownan's) capsule? What does it do?
It filters the blood, (ultra filtration)
What is the proximal convoluted tubule?
Reabsorption of
Salt
Water
Glucose
What is the distal convoluted tubule?
secreting ions and acids
Reaborption of water
Regulation of urine ph.
What are the collecting ducts? What do they do?
Participate in elecrolyte and fluid balance by:
Reabsorption
excretion
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