Filtration – Kidney (filter
waste from blood to form urine), Large intestines (filter waste and water from
digested food), Lungs (carbon dioxide)
Secretion – Kidney
(hormones), Skin (sweat), Liver (bile)
Absorption – Kidney,
Large intestines
Urine storage – Urinary
bladder
Note: These organs
are mostly based on human excretory system.