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20 terms

Excretion

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renal cortex
the outermost portion of the kidney, makes up about a third of the kidney's tissue mass, just in from the outer capsule
renal medulla
inner (deeper) portion of the kidney
renal pyramids
The structures in the kidney where blood filtration takes place., within the medulla, dozen or so triangular-shaped areas,
renal pelvis
a relatively flat, basinlike cavity that is continuous with the ureter
Excretion
The process by which an organism gets rid of metabolic waste products like urea
One million
There are about ______ nephrons in each kidney.
Reabsorption
Step in which needed water, nutrients and minerals are put back into the peritubular capillaries.
Filtration
Step in which plasma (water, nutrients, etc.) is taken out of the capillaries and drawn into the nephron at Bowman's capsule
Water, salt, urea, and any other substance in excess in the blood.
Urine is made up of ___.
Aorta
Inferior Vena Cava
Kidney
Ureter
Urinary Bladder
Urethra
Capillary
Filtration
Nephron
Reabsorption
Urine