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प्रश्न
Write short answers
What is ingestion?
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उत्तर
The process of taking in food through the mouth is called ingestion.
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संबंधित प्रश्न
Which of the following is the correct sequence of parts as they occur in the human 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. |
- What is W known as?
- What are (i) X and (ii) Y?
- What are organisms Z?
- State one way of removing layer W from the teeth.
Name the hormone that helps in regulating level of sugar in our blood. Name the gland that secrets it.
What is roughage? Give two examples.
State whether the following statement is True or False.
The temporary set of teeth includes incisors, canines, and premolars only.
Circle the odd one.
Select the correct pair of peptide hormones secreted by the alimentary canal.
What is digestion?
In which of the following vertebrate group/groups, the heart does not pump oxygenated blood to different parts of the body?
What are different types of cells present in the crypts of Lieberkuhn?
