Excretion

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Author:
thinkrussia
ID:
144688
Filename:
Excretion
Updated:
2012-03-29 21:19:05
Tags:
Excretion
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Description:
Biology DAT 12
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  1. What is the difference between excretion and elimination?
    • Excretion: removal of metabolic wastes
    • Elimination: removal of indigestable material
  2. Fresh water oganisms typically have what special device to excrete excess water from their system?
    a vacuole
  3. What is the process of excretion in annelids?
    through two pairs of nephridia
  4. What is the process of excretion in arthropods?
    solid crystals are formed and stored in the malphigian tubules, then expelled
  5. What are the four organs of excretion in a human?
    lungs, liver, skin, and kidney
  6. What is the kidney composed of?
    nephrons
  7. What is the special capillary bed inside the Bowman's capsule called?
    glomerulus
  8. What three processes lead to urine formation?
    filtration, secretion, reabsorption
  9. What is the counter-current-multiplier system?
    system of osmolarity to get urine as concentrated as possible

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