2.79B: Understand that Urine contains Water, Urea and Ions

URINE: Waste material produced by Kidney, composed of excess Water, Salts, and Urea

URINE CONTAINS:

COMPONENT	EXPLANATION
WATER	Water that is not reabsorbed at Collecting Duct due to low levels of ADH forms excess Water in Urine
SALTS	Salt that is not reabsorbed at Loop of Henle due to balanced Water concentrations in body forms excess Salt in Urine
UREA	Urea is toxic and so will be removed from the body in Urine