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प्रश्न
Why do we call saliva a digestive juice?
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
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
Name the following:
The fluid found between the membranes of the heart.
In which organ of our body does blood get oxygenated?
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
True or false:
The four blood groups in human beings are A, B, AB and AO
Draw well labeled diagrams of part Artery and Superior vena cava to show the structural.
Choose the correct alternative.
What is the minimum number of the plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside a RBC?
The process of keeping the blood flowing continuously throughout the body.
______ is a granulocyte.
Name these:
Three components of circulatory system.
