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EXCRETORY SYSTEM

EXCRETORY SYSTEM. What is the function of the Excretory System? to remove metabolic wastes from the body What is a Metabolic Waste? A Waste produced by cells during metabolism What are the Metabolic Wastes? CO 2, H20, heat, urea, salts nitrogen waste.

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EXCRETORY SYSTEM

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  1. EXCRETORY SYSTEM • What is the function of the Excretory System? • to remove metabolic wastes from the body • What is a Metabolic Waste? • A Waste produced by cells during metabolism • What are the Metabolic Wastes? • CO2, H20, heat, urea, salts nitrogen waste

  2. What organs are involved in Excretion? • Kidneys, lungs, liver, and skin • What do the LUNGS excrete? • C02, h20, heat are excreted when you exhale • What are the functions of the Kidney? • 1) filter blood & remove extra water, salt, urea (nitrogen compound), vitamins, minerals, sugar, amino acids • 2) maintain water balance in the blood

  3. What is Urine made of? • H20, urea, salt (& other substances) • How does the Skin excrete wastes? • Sweat glands remove wastes from the blood & you perspire (perspiration = sweating) • What wastes are excreted by the skin? • H20, salts, UREA, - 99% H20

  4. What are the functions of the Liver? • * filters blood and removes nitrogen wastes from extra amino acids and form UREA. • Breaks toxins in blood (drugs and alcohol) • Filters and breaks down your red blood cells

  5. SKIN

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