stomach

• what is gastric juice secreted by

  gastic glands in the mucosa layer
• what hormone stimulates gastic juice

  gastrin which is create when chewing or thinking about food
• what does gastric juice contain

  • mucus
  • HCl
  • protein-digesting enzymes
• what is the function of mucus in gastric juice

  to protect the stomach from acid and to help liquefy food. however even with the mucus the stomach wall still has a high replacement rate of cells to prevent acid from eating it away.
• what is the function of HCl in gasric juice

  it is used to create an acidic environment for the optimum function of the stomach's enzymes(pH2). it acts as an anti-septic (kills bacteria).
• what are protein digesting enzymes

  proteases (one type is pepsin) which starts the digestion of enzymes
• what causes an uncler

  stress and unhealthy eating, including taking pharmaceutical drugs on an empty stomach. this allows helicobacter pylori to invade the stomach. it can also happen when the mucus doesn't line the stomach properly it allows the HCl to eat at the stomach lining and then the proteases with start breaking down the protein in the muscles of the stomach wall
• what is chyme

  liquad stomach contents
• how dies chyme enter the duodenum

  through the pyloric spincter
• what is absorbed in the stomach 


  alcohol and some drugs