Excretion in Mammals (Liver)

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  • Created by: gemmmmma
  • Created on: 05-03-18 19:41

1. How is oxygenated blood removed from the liver/ returned to the heart?

  • Hepatic portal vein
  • Hepatic artery
  • Hepatic vein
  • Portal vein
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Other questions in this quiz

2. Which is NOT a main metabolic waste of mammals?

  • Salt
  • Carbon dioxide
  • Bile pigments
  • Nitrogenous waste (urea)

3. How do hepatocytes break down hydrogen peroxide?

  • Hepatocytes break the hydrogen peroxide down using various metabolic pathways.
  • Hepatocytes contain the enzyme catalase, splitting hydrogen peroxide into O2 and H2O
  • Kupffer cells break down the hydrogen peroxide into CO2 and H20 using enzymes.

4. What does the hepatic portal vein do?

  • Connects the hepatic veins and arteries.
  • Carries blood with products from digestion to the liver.
  • Takes oxygenated blood to the heart.

5. Deamination of amino acids converts ______ into urea.

  • Ammonia
  • Sinusoids
  • Amino acids
  • Ethanal

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