Kidneys are the organs of urinary system .
In humans , the kidneys are a pair of bean shaped organs about 10 cm long .
In mammalian body the left kidney slightly higher than the right kidney .

Renal cortex

Renal cortex is an outer dark red region of the kidnay

Ureter

Ureter is a tube that runs from each kidney to the base of the bladder in the lower part of the abdomen the waste fluids are excreted from kidney through ureter .

renal tubules

The kidney tissue contaibs many smaller tubules called renal tubules.

Renal artery

Renal artery bring oxygenated blood from kidney . blood enter through renal artery

Renal vein

Renal vein takes de-oxygenated blood to kidney .blood leave the kidney through renal vein .

capillaries

Renal artery divided into many smaller arteries called capillaries

Renal pelvis

Triangle regions in the medulla or pyramid converge in an empty space called pelvis . it drains urine into ureter .

Nephron

It is the functional unit of the kidney each kidney contain a large number of nephron .

Its my Darwing of kidney of sheep