Excretory System

Marieb, Chapters 26(Urinary), 27(Control)

 

Kidneys - main organs

Nephron - functional unit

3 functions

2 parts: DRAW

1) Bowman's Capsule and 2) glomerulus - knot of capillaries (Figure of overall structure)

3 Layers (draw on board)

Ultrafiltration

proximal convoluted tubule

Loop of Henle

distal convoluted tubule

Filtration Physiology:

1) Glomerular filtration - Ultrafiltration

2) Tubular Reabsorption - Active and passive

ADH

diabetes mellitus

3) Tubular Secretion - Active

Ammonia

distal tubule

Ureters -

Bladder

Urethra