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प्रश्न
Name the enzymes secreted by the following: Salivary glands
उत्तर
Salivary amylase/Ptyalin
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Killing of bacteria ______.
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.
Name the substance whose build up in the muscles during vigorous physical exercise may cause cramps.
Name the hormone that helps in regulating level of sugar in our blood. Name the gland that secrets it.
Answer the following question.
Write two different ways in which glucose is oxidized to provide energy in the human body. Write the products formed in each case.
What do you mean by the absorption of food?
State whether the following statements are True or false: Trypsin coagulates the milk protein.
State whether true or false. If false, correct the statement.
During digestion, proteins are broken down into amino acids.
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 |
Draw the diagram of the alimentary canal of man and label the following parts. Mouth, Oesophagus, Stomach, Intestine.
