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 ...
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Tissues are groups of similar cells working together. They perform specific functions like muscle contraction, oxygen transport or protection, supporting organ function in organisms. Class 8 NCERT Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye solutions class 8 ...
If the invisible world became visible, we might see countless tiny organisms everywhere—on skin, in the air and on objects. It would reveal how rich, active and interconnected life is beyond our sight. Class 8 Science Curiosity Chapter 2 The Invisible ...
The invention of the microscope helped humans see microorganisms for the first time. It made the invisible world of bacteria, cells and tiny life forms visible, transforming science and medicine forever. Class 8 Science Grade 8 Chapter 2 The Invisible Living ...
Robert Hooke used the word “cells” to describe the tiny, box-like structures in cork. The name came from their resemblance to small rooms or “cellula” seen in monasteries. Class 8 NCERT Science Curiosity Chapter 2 The Invisible Living World: Beyond Our ...