Human Excretory systemHuman Excretory system

1.Kidney-The main 1.Kidney-The main excretory organexcretory organ..

2.Skin,liver,lung & salivary glands are minor ones

Blood supply to kidney & Blood supply to kidney & emission of excretaemission of excreta

Both the kidneys –supplied by renal Both the kidneys –supplied by renal arteryartery

Location of Location of kidneykidney

At both side of vertebral At both side of vertebral columncolumn

Location of kidneyLocation of kidney

Left kidney is slightly larger & located Left kidney is slightly larger & located slightly higherslightly higher

External shapeExternal shape

Long section-Outer cortex & inner Long section-Outer cortex & inner medullamedulla

NephronNephron

Nephron –Collecting tubule-Nephron –Collecting tubule-Duct of BelliniDuct of Bellini

A Nephron-highlighting A Nephron-highlighting corpusclecorpuscle

-Glomerulus & Bowmans -Glomerulus & Bowmans Capsule=CorpuscleCapsule=Corpuscle

Function of kidneyFunction of kidney