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Excretory System

Excretory System. Porifera. Excretion is regulated by. diffusion. Chordata Two Major Organs. Kidney. Liver. Kidneys All Classes! (Fishes, Amphibians, Reptiles, Aves, Mammals). Kidneys. Functions : -excrete waste products -regulate water and salt balance

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Excretory System

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  1. Excretory System

  2. Porifera Excretion is regulated by diffusion

  3. ChordataTwo Major Organs Kidney Liver

  4. Kidneys All Classes! (Fishes, Amphibians, Reptiles, Aves, Mammals)

  5. Kidneys Functions: -excrete waste products -regulate water and salt balance Kidneys do this by filtering blood and producing urine. Excretion

  6. Kidneys Kidney’s filter your blood continuously. They filter your entire blood supply (5 liters) approximately 400 times a day!

  7. Liver 1 Class (Mammals) Functions: -detoxify the blood The liver does this with enzymes that chemically alter many substances, such as alcohol, before the blood reaches other body parts.

  8. Invertebrates Other

  9. Kidneys and a liver All excretory system lack

  10. Homeostasis?

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