Animal cells come in various shapes and sizes because they perform different functions. Their structure adapts to tasks like contraction, signal transmission or nutrient absorption. Class 8 Science Curiosity Grade 8 Chapter 2 The Invisible Living World Beyond Our Naked Eye ...
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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 ...
Muscle cells are spindle-shaped and contract to enable movement. Nerve cells are long and branched, designed to transmit signals quickly over distances in the body. class 8 science chapter 2 the invisible living world beyond our naked eye question answer Class 8 ...
The presence of mitochondria shows that animal cells require constant energy. These organelles convert food into usable energy through respiration, supporting the active functions of the cell. Class 8 Science Grade 8 Chapter 2 The Invisible Living World: Beyond Our Naked ...
Multicellular organisms have many types of specialized cells, tissues and organs. Their coordinated actions support complex life processes like digestion, movement and thinking, unlike single-celled organisms. Class 8 Science Curiosity Textbook Chapter 2 The Invisible Living World – Beyond Our Naked ...