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प्रश्न
What is the other same of food pipe?
उत्तर
Food pipe is also known as oesophagus.
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संबंधित प्रश्न
Why do we get instant energy from glucose?
The process of digestion of food in humans begins in:
(a) stomach
(b) food pipe
(c) mouth
(d) small intestine
Pancreatic juice contains enzymes which digest:
(a) proteins and carbohydrates only
(b) proteins and fats only
(c) fats and carbohydrates only
(d) proteins, fats and carbohydrates
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?
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`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Give the dental formula of an adult human being.
Define the following term:
assimilation
Define with examples: Heterotrophs
The question has four options. Choose the correct answer:
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Teeth present in the upper molar of human beings are
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