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प्रश्न
Write short answers
What is dental plaque?
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उत्तर
When a mixture of saliva, food, and bacteria begins to form over the teeth within half an hour of eating, is called a dental plaque
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संबंधित प्रश्न
The inner wall of the small intestine has many finger-like outgrowths called ______.
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
Draw a labelled diagram of the human digestive system. With the help of this diagram, describe the process of digestion of food in man (humans).
Name the hormone that helps in regulating level of sugar in our blood. Name the gland that secrets it.
Put a tick (✓) against the most appropriate alternative in the following statement.
The teeth which help in tearing the food are the:
Name the following
The organ where protein digestion-begins
Differentiate between
Small intestine and Large intestine
Sketch and label a diagram of the digestive system and describe it in your own words.
List out the functions of the digestive system.
Breakdown of food into smaller molecules in our body is known as
