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DRAWING DIAGRAMS - PARTS - PROCEDURE
DIGESTIVE SYSTEM Human Digestive System
1. The group of organs which are participate in digestion is
called Digestive system.
2. Digestive system contains alimentary canal and digestive glands.
3. The Alimentary canal is a long tube starts from mouth and ends with anus.
4. Parts of alimentary canal are :
1. Mouth 2. Oral cavity / Buccal cavity 3. Pharynx
4. Oesophagus 5. Stomach 6. Duodenum
7. Small intestine 8. Large intestine 9. Rectum 10. Anus.
5. Five types of digestive glands are associated with alimentary canal. They
are :1. Salivary glands 2. Gastric glands 3. Liver
4. Pancreas 5. Intestinal glands.
6. The large complex food molecules are break down into small simple
molecules in the alimentary canal with the help of enzymes is called
“digestion”.
DENTITION Dentition
How to draw
1. An adult human has 32 teeth. pl. scan QR
2. There are 4 types of teeth in human beings.
1. Inscissors - 8 - biting the food to make small pieces.
2. Canines - 4 - Piercing or tearing the food.
3. Premolars 8
grinding the food materials
4. Molars 12
2 1 2 3
3. Dental formula , , , .
RAJU’S NATURAL SCIENCE ACADEMY 2 1 2 3
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