Our body develops disease-fighting ability through its immune system. It gets stronger with good food, sleep, exercise and vaccines. Past infections and vaccinations help the body remember and fight germs better next time.
Class 8 NCERT Science Curiosity Chapter 3 Health: The Ultimate Treasure solutions
class 8 science chapter 3 health the ultimate treasure question answer
The body’s ability to fight diseases is called immunity. It develops through a strong immune system. Good nutrition, regular exercise, proper rest and hygiene support immunity. When the body faces a germ once or gets vaccinated, it learns to recognize and destroy it faster the next time. This memory helps us stay protected in future. Childhood vaccines and healthy habits keep our immunity strong throughout life.
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