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JC Science
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JC Science

The Cell - Chapter Notes

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The digestive system - chapter notes

Vitamins

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Digestion and Absorption in the Small Intestine

Digestion in the first section

  • The complete small intestine is about 6 metres long.
  • The chyme from the stomach enters the first part of the small intestine. The chyme is acidic.
  • The liver makes bile.
  • The gall bladder stores the bile and releases it through the bile duct into the small intestine.
  • The bile breaks down the fats into small droplets.
  • The bile neutralises the acidic chyme.
  • The pancreas releases pancreatic juices into the small intestine.
  • Pancreatic juice contains many enzymes which further digest the chyme.
  • Pancreatic juice also neutralises the acidic chyme.

Absorption in the Second Section

  • At this... (More)