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प्रश्न
The question has four options. Choose the correct answer:
Common passage for swallowing food and breathing is
विकल्प
gullet
pharynx
glottis
larynx
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उत्तर
pharynx
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संबंधित प्रश्न
Which of the organs perform the following function in humans?
Absorption of water
Name the substance on which the following enzymes act in the human digestive system:
Trypsin
What causes movement of food inside the alimentary canal?
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
Define the terms 'nutrients'.
What are the main characteristics of enzyme?
How is the liver an important organ in our body?
Write one function each of the following enzymes:
Lipase
Name the types of teeth seen in humans.
Fill in the blank.
Steapsin is also called _________
Find the odd one out. Give reasons for your choice.
Define with examples: Heterotrophs
The question has four options. Choose the correct answer:
Uvula can close the opening of
State whether true or false. If false, correct the statement.
During digestion, proteins are broken down into amino acids.
Describe the alimentary canal of man
______ is a major organ for the digestion of food materials.
What is the significance of the emulsification of fats?
Digestion of food starts in ______ and gets completed in ______.
What are the end products of digestion of starch, proteins, and fats respectively?
How does tooth enamel get corroded? What is the preventive measure for this?
