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प्रश्न
Give any four reasons why water is necessary in our body.
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उत्तर
Importance of water in our body:
- Water is the major component of blood, which carries nutrients and oxygen, to and from all the cells.
- It is the major component of saliva and mucous, which lubricate the membranes that line our digestive system beginning with the mouth.
- It helps in regulating the temperature of the body.
- Water is very essential for digestion as well as absorption of food.
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Chewing of food ______.
Where is digested food absorbed into blood in human body?
How do carbohydrates, fats and proteins get digested in human beings?
The water from the digested food is mainly absorbed by
Fill in the blank.
The _______ is a common opening of food pipe and windpipe
Fill in the blanks.
Incisors are used for _____ and _____ the food.
Fill in the blank.
In an adult human, there are a total of ___ teeth.
What is the role of the liver and the pancreas respectively in the digestion of food?
Fill in the blank.
Saliva contains salivary amylase which changes starch to _____.
Write true or false for the below statement. Rewrite the false statements correctly.
Saliva contains lipase which digests carbohydrates
Find the odd one out. Give reasons for your choice.
Describe the digestion of food in small intestine.
The question has four options. Choose the correct answer:
Stomach in vertebrates is the chief site of digestion of
Circle the odd one.
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
A fluid containing the digestive enzyme ____________ is secreted by the serous cells of salivary gland.
The coiled middle portion of the small intestine which is 2.5 meters long is the ______.
Choose the odd one:
Why do we eat?
What causes movement of food inside the alimentary canal?
