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Chapter 38-Excretory System

  1. How does blood enter the kidney?
    Blood enters the kidney through renal arteries.
  2. What does the renal arteries divide into?
    Renal arteries divide into renal arterioles.
  3. What is the glomerulus made up of?
    Glomerulus is made up of afferent arterioles divided into a cluster of 30 capillaries.
  4. What does blood leave the glomerulus via?
    Blood leaves glomerulus via efferent arterioles.
  5. What does efferent arterioles divide into?
    Efferent arterioles divide into capillaries which rejoin forming renal venules - then renal veins.
  6. What forms renal venules?
    Efferent arterioles divided into capillaries which rejoin forms renal venules.
  7. What forms renal veins?
    Renal venules.
  8. Incoming arterioles?
    Afferent arterioles
  9. Outgoing arterioles?
    Efferent arterioles
  10. Why is blood pressure high in the glomerulus?
    Glomerulus is a cluster of about 30 capillaries.
  11. What does the Bowman’s capsule do?
    Bowman’s capsule preforms filtration.
  12. What does the Proximal convoluted tubule reabsorb?
    Proximal convoluted tubule reabsorbs- all food, 7/8 water and 7/8 salt.
  13. What does the Distal convoluted tubule reabsorb?
    Distal convoluted tubule reabsorbs- 1/8 water (<~ if ADH present)
  14. What does the collecting duct transport?
    Urine to the bladder.
  15. List the 10 labels in the nephron diagram?
    • Renal artery
    • Afferent arteriole
    • Glomerulus- high blood pressure (30 capillaries)
    • Bowman’s capsule- filtration
    • Proximal convoluted tubule- reabsorbtion
    • Loop of Henle
    • Distal convoluted tubule- reabsorbtion
    • Efferent arteriole
    • Renal vein
    • Collecting duct - to bladder (transport)
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jacquelineglynn
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356729
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Chapter 38-Excretory System
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