The long shape of nerve cells helps transmit electrical signals quickly over long distances. This structure ensures communication between the brain, spinal cord and body parts. class 8 science chapter 2 the invisible living world beyond our naked eye question answer Class ...
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Curd becomes sour because bacteria like Lactobacillus multiply in warm conditions, producing lactic acid. The acid gives curd its sour taste. Higher temperatures speed up this bacterial growth and souring process. class 8 science chapter 2 the invisible living world beyond ...
Cells look different because they perform different roles. Their shape, size and internal structures adapt to their function—like movement, protection or signal transmission—making each type specialized for a task. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living World – ...
Under the microscope, onion cells appear as a neat grid of rectangular boxes. They are tightly packed and arranged in rows, each with a visible nucleus and clear cell wall. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living ...