Grade 8 - Digestive System
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The document discusses the human digestive system and digestion process. It lists the major organs of the digestive system including the mouth, esophagus, stomach, small intestine, large intestine, and anus. It describes mechanical digestion as chewing with teeth and swallowing with the esophagus, and chemical digestion as breaking down food with saliva, stomach enzymes, and bile. The document also briefly mentions types of teeth and some common digestive issues.
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Grade 8 - Digestive System
- 1. awan
- 20. Mechanical digestion is when you chew the food using your teeth, and when your esophagus swallows the food using peristalsis Chemical digestion is where your stomach dissovles the food in your mouth by saliva, or when the enzymes and bile break it down in the stomach
- 22. The Molars (back teeth) are used for chewing and grinding food The Premolars (bicuspids) have a flat biting surface, they tear and crush food The Canines (eyeteeth) have a sharp, pointed biting surface and has grip to tear food The Incisors (front teeth) are used for cutting food into small chewable pieces
- 24. An acute or chronical inflammation on mucose layer of stomach wall
- 25. An inflammation in liver caused by virus infection
- 26. An irritation on the membrane of colon wall caused by bacteria dysentriae, bad diet, poiosonous matters, and stress
- 27. A disorder due to the excessive water absorbtion of feces by large intestine that causes difficulty to pass the feces
- 28. An inflammation and swelling of blind gut
- 29. Swollen vein in anus
- 30. An inflammation of parotid glands caused by infection of Rabula inflans virus
- 31. A disorder caused by excessive food that comes in