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प्रश्न
Why is the immune system essential for our health?
उत्तर
The immune system of our body acts as a defence mechanism to fight against pathogenic microbes. It has cells that are specialised to kill infecting microbes and protect us from diseases. The immune cells manage to kill oh the infection long before it assumes major proportions. A strong immune system is thus essential to keep us healthy.
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संबंधित प्रश्न
State any two conditions essential for being free of disease.
Differentiate between: Antiseptic and Disinfectants.
Differentiate between: Antibody and Antibiotic.
Mention, if the following statement is True or False. If false rewrite the statement in its correct form:
Rabies is a viral disease caused by the bite of a mad dog.
Mention, if the following statement is True or False. If false rewrite the statement in its correct form:
Penicillin obtained from Penicillium notation is an antibody.
At present vaccine is not available against:
The cells that actually release the antibodies are:
The continuous and excessive intake of alcohol causes:
‘Improvement in water and sanitation can control many diseases.’ Explain with the help of examples.
Explain giving reasons
The health of an organism depends upon the surrounding environmental conditions.
