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प्रश्न
Differentiate between.
Mechanical digestion and Chemical digestion
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उत्तर
Mechanical digestion:
1. In mechanical digestion, the ingested food is broken down in the mouth by chewing it.
2. Teeth help in mechanical digestion
3. Food is not completely digested in it.
Chemical digestion:
1. In chemical digestion, the food is digested by the action of enzymes.
2. Enzymes are involved in chemical digestion.
3. Proper digestion of food occurs in it.
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संबंधित प्रश्न
How is the small intestine designed to absorb digested food?
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 |
Which one of the following pairs of types of teeth perform one common function as stated against it?
Complete the following table by filling in the blanks 1 to 8.
|
Organ |
Enzyme |
Food acted upon |
Find product |
|
1 |
Pepsin |
2 |
3 |
| Mouth | 4 | 5 | Disaccharide |
|
6 |
7 |
Maltose |
8 |
Write the function of the following in the human alimentary canal:
Villi
Fill in the blank.
The _______ are used for tearing the food.
Rewrite the following parts of the human alimentary canal in their correct sequence Stomach, Oesophagus, Large instestine, Small intestine, Pharynx.
Correct the spellings: Bilirubin
Describe the alimentary canal of man
List the glands associated with digestion.
