A doctor can explain how malnutrition, under-nutrition and over-nutrition affect our body. Students can ask questions, understand balanced diets and learn how to improve their eating habits for better growth and development. Class 8 Science Curiosity Grade 8 Chapter 3 Health ...
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Cytoplasm is the jelly-like fluid in cells where all life processes occur. It holds organelles in place, allows movement of materials and supports chemical reactions necessary for the cell’s survival and growth. Class 8 Science Grade 8 Chapter 2 The Invisible ...
The nucleus controls all activities of the cell. It contains DNA, which holds instructions for growth, reproduction and functioning. It is often called the control center or brain of the cell. Class 8 Science Curiosity Chapter 2 The Invisible Living World: ...
The cell wall provides shape, strength and protection to plant cells. Made of cellulose, it helps maintain rigidity, supports plant structure and prevents excessive water intake or damage. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living World – Beyond ...
Plastids are cell organelles found in plant cells. Chloroplasts, a type of plastid, contain chlorophyll and help plants make food through photosynthesis by converting sunlight, water and carbon dioxide into energy. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living ...