The Digestive System - Science Fun World
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The Digestive System Primary 4
Transcript of The Digestive System - Science Fun World
The Digestive System
Primary 4
ComponentsMouth
Gullet
Stomach
Small intestine
Large intestine
Anus
Mouth
• Teeth grinds food intosmaller pieces.
• Saliva in the mouth helps tosoften the food
Gullet
• The tube that connects yourmouth and your stomach
• It is 25cm long
Stomach
Gullet
Stomach• A stretchy bag that holds your
food after you eat
• Helps to break food intosmaller pieces so your body canuse it for energy and nutrition
Small Intestine
Small Intestine
• Tube that is about 608cm long.
• Continues to digest food
• Food stays in your small intestine for 4 to 8 hours
Large Intestine
Large Intestine
• Tube that is about 152 cm long
• Gets waste from small intestine
• Waste stays for 10 to 12 hours
Anus
• Passes waste out of the body
