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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
What is meant by life processes? Name the basic life processes common to all living organisms which are essential for maintaining life.
Which of the following is the correct sequence of parts as they occur in the human alimentary canal?
(a) Mouth → Stomach → Small intestine → Oesophagus → Large intestine
(b) Mouth → Oesophagus → Stomach → Large intestine → Small intestine
(c) Mouth → Stomach → Oesophagus → Small intestine → Large intestine
(d) Mouth → Oesophagus → Stomach → Small intestine → Large intestine
How is thorough chewing of food helpful in digestion?
Define the following term :
Pylorus
Draw a diagram of the human alimentary canal and label - gall bladder, pancreas, liver, and small intestine on it.
State whether the following statement is True or False.
Wisdom tooth appears at the age of 5-6 years when the child starts going to school.
Bile helps in the digestion of ______.
A calcified connective tissue from which the basic shape of the tooth is derived is known as ______.
The coiled middle portion of the small intestine which is 2.5 meters long is the ______.
