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Excretory System
Biology · Chapter 8 · Theme 4: Human Body
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Topics 5
- Excretion: definition and need
- Excretory organs and their products: kidneys, skin (sweat glands) and lungs
- Urinary system: kidneys, ureters, urinary bladder and urethra (location and function)
- Kidneys filter blood through millions of nephrons
- Common disorders of the urinary system: urinary tract infection, kidney stones