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प्रश्न
Put a tick (✓) against the most appropriate alternative in the following statement.
The hardest substance in your body?
पर्याय
Dentine
Bone
Cement
Enamel
उत्तर
Enamel
APPEARS IN
संबंधित प्रश्न
How are fats digested in our bodies? Where does this process take place?
Why is there no enzyme to digest vitamins?
Study the diagram given below and then answer the question that follows:
Describe the structure of the part labelled '3'.
Write the function of the following in the human alimentary canal:
Villi
Given alongside is the diagram of the human alimentary canal.
(i) Name the parts 1-11 indicated by guidelines.
1.____ 2.____ 3.____ 4.____ 5.____ 6.____ 7.____ 8.____ 9.____ 10.___ 11.____
(ii) State the function of the juice secreted by the part 1.
(iii) State the function of the three enzymes found in the juice secreted by part 3.
Find the odd one out. Give reasons for your choice.
Answer in detail.
What happens to the nutrients absorbed in the bloodstream from the small intestine?
What bodily needs or sensations do you become aware of even though you are reading a book?
Match the two columns and select correct option.
| Column - I | Column - II | ||
| i. | Sphincter of Oddi | a. | Oesophagus and stomach |
| ii. |
Ileo-caecal sphincter |
b. | Stomach and small intestine |
| iii. | Pyloric sphincter | c | Ileum and caecum |
| iv. |
Gastro-oesophageal sphincter |
d. | Opening of hepato- pancreatic duct |
Explain the role of the mouth in digestion of food.
