Journey of Mr Apple Through the Digestive System
نص القصة المصورة
- Hi! I am Mr. Apple. Today I will take you to a journey through the digestive system. When I enter the mouth, salivary glands start secreting saliva. As you chew saliva mixes with me to form a soft lump of food called bolus.
- The bolus then moves down a long tube called oesophagus. The peristaltic movement of the oesophagus then squeezes food bolus to my next destination called Stomach.
- . Inside the stomach the food is broken down into a liquid called chyme which mixes with gastric juice.
- From there I enter the small intestine. The liver send bile juice to the gall bladder which holds it untill I arrive. Tiny finger like projections called villi absorb my molecules . Useful nutrients are taken by blood to all parts of the body. The leftover fiber and water enter large intestine.
- All the left over waste is compacted and stored at the end of the large intestine called the rectum. Waterand other fluids are extracted here from the faeces.
- The waste then passes out of the body through an opening called anus. And this long journey through the digestive system finally ends.
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