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प्रश्न
Why do we call saliva a digestive juice?
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उत्तर
Saliva is the juice secreted by the salivary glands. Saliva helps to make bolus from the food that we eat. Saliva also contains a starch digesting enzyme. This enzyme turns starch into sugar. Therefore, saliva is called a digestive juice.
संबंधित प्रश्न
Differentiate between LUBB and DUP (names of the valves whose closure produce the sound)
What are the average values of blood pressure in a normal adult human?
Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:
Lubb: Atrioventricualr valves :: dup: …………………
Give reason for the following:
Only the veins and not the arteries are provided with valves.
True or false:
The four blood groups in human beings are A, B, AB and AO
Name the main artery which carries blood to different parts of the body.
Match the following.
| Group A | Group B |
| (1) Lungs | (a) Circulation |
| (2) Stomach | (b) Respiration |
| (3) Heart | (c) Co-ordination |
| (4) Brain | (d) Digestion |
Which of the following health condition refers to the type of blood cancer in which uncontrolled increase in number of WBCs occurs?
Which of the following is TRUE regarding closed circulatory system?
Name the following:
The structure that holds the heart valves in position.
