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प्रश्न
Our skin must be kept clean.
उत्तर
A clean and healthy skin acts as a mechanical barrier and prevents the entry of germs. So to protect the body from infection we must keep our skin clean.
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संबंधित प्रश्न
Explain briefly the role of the following aids:
Disinfectants
Define giving one example :
Antiseptic
Differentiate between the following:
Toxins and Antitoxins
Define the following:
Penicillin
Define the following:
Prophylaxis
What are serums?
Complete the following sentence with appropriate word:
DPT vaccine provides immunization against ______.
Mention, if the following statement is True or False. If false rewrite the statement in its correct form:
Roundworms (Ascaris) lives in the human intestine.
Very Short Type Question:
Name some water borne diseases.
Define homeostasis.
