Glomerular filtration - Waste molecules,nutrient molecules and water are filtered out and enter the Bowmen's capsule, Tubular reabsorption - The useful substances such as glucose, aminoacids, vitamins, minerals, 75% of water are reabsorbed in to peri tubular network, Tubular secretion - Here the extra salts, ions of K+, Na+, Cl- and H+ secrets from peritubular Capillaries in to DCT, Micturition - Discharge of urine from urinary bladder to outside, Diabetes insipidus - Deficiency of vasopressin hormone causes excessive, repeated, dilute urination, Uremia - If kidneys stop working completely out body is filled with extra water and waste products , Haemodialysis - Filtering the blood of a person whose kidneys are damaged with dialysis machine, Accessory excretory organs - Lungs, Skin, Liver, Intestine, saliva and tears, Primary metabolites - Required for their normal growth and development Ex.: Carbohydrates, Proteins, Fats, Secondary metabolites - The materials which do not require for normal growth and development Ex.: Alkaloids, Tannins, Resins, Gums, Latex, Secretion - The movement of materials from one point to other point Ex.: Enzymes, Hormones, Saliva, Latex, Resins, Gums, Raphids - Some of the plants waste gets stored in the fruits in the form of solid bodies, Proper functioning of kidneys - Drinking atleast 2 litres of water regularly. Avoid fast foods, canned food , Excretion - Removal of materials from living beings Ex.: Tears, Urine, CO2, Sweat,

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