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प्रश्न
Put a tick (✓) against the most appropriate alternative in the following statement.
The teeth which help in tearing the food are the:
पर्याय
Incisors
Canines
Premolars
Molars
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उत्तर
Canines
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संबंधित प्रश्न
Why do we get instant energy from glucose?
What is the other same of food pipe?
Define holozoic nutrition. Give one example
When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache.
(a) What are (i) organisms A, and (ii) substance B?
(b) What are (i) part C, and (ii) part D, of tooth known as?
(c) By what name are the holes E in the tooth known?
(d) Name the part F of the tooth.
(e) What will happen if organisms A reach part F of the tooth known?
Describe protein digestion in the human.
Who is telling a lie?
Lung: I play an important role in excretion.
How do we know that we are hungry and that we should now eat?
Which systems work together to provide the body with energy?
Choose the odd one:
Label the following parts in Figure and name them.
- The largest gland in our body.
- The organ where protein digestion starts.
- The organ that releases digestive juice into the small intestine.
- The organ where bile juice gets stored.
