2.68: Recall that the Lungs, Kidneys and Skin are Organs of Excretion

EXCRETION: Removal of Waste Products from Metabolism

ORGANS OF EXCRETIONS:

ORGAN	MAINLY EXCRETES	EXPLANATION
LUNG	Carbon Dioxide	The Lung will Excrete Carbon Dioxide as a Waste Product of Aerobic Respiration During Exhalation
KIDNEY	Excess Water, Salts and Urea	The Kidney will Excrete Excess Water, Excess Salts and Urea by Producing Urine by Osmoregulation
SKIN	Excess Water and Salts	The Skin will Excrete Excess Water and Salts through the Sweat Glands on the Skin by Producing Sweat