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Human Excretory System

Human Excretory System. Human Excretory System. Excretion is the removal of metabolic wastes from the body, including toxic chemicals, excess water, carbon dioxide and salts. Excretory Organs Skin Lungs Kidneys. Nephron. Kidney. Kidney. Ureter. Urinary Bladder. Urethra.

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Human Excretory System

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  1. Human Excretory System

  2. Human Excretory System • Excretion is the removal of metabolic wastes from the body, including toxic chemicals, excess water, carbon dioxide and salts. • Excretory Organs • Skin • Lungs • Kidneys

  3. Nephron Kidney Kidney Ureter Urinary Bladder Urethra Human Urinary System Diagram

  4. Urinary system • The urinary system, consisting of the kidneys, ureters, urinary bladder and urethra, is responsible for eliminating the majority of metabolic wastes from the body • The functional unit of the kidney is the nephron. Each nephron is made of a cup-shaped portion called Bowman’s capsule, tubules and a network of capillaries

  5. Inside the Kidney • Blood pressure within a knot of capillaries (called the glomerulus) increases, causing most of the fluid of the blood to enter Bowman’s capsule • This fluid is called filtrate. • As the filtrate passes through the tubule portion of the nephron, materials needed by the body are reabsorbed and the remainder of the filtrate becomes urine • Proper functioning of the kidney is essential to maintaining homeostatsis in the body

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