WHAT IS NERVOUS TISSUE? In animals, such control and coordination are provided by nervous and muscular tissues, which we have studied in Class IX. Touching a hot object is an urgent and d
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HOW NEURONS WORK? So far, we have been talking about nervous tissue, and how it collects information, sends it around the body, processes information, makes decisions based on information, and con
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WHAT HAPPENS IN REFLEX ACTIONS? ‘ Reflex ’ is a word we use very commonly when we talk about some sudden action in response to something in the environment. We say ‘I jumped out
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HUMAN BRAIN & SPINAL CORD Is reflex action the only function of the spinal cord? Obviously not, since we know that we are thinking beings. Spinal cord is made up of nerves which supply informa
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PROTECTION OF TISSUES A delicate organ like the brain, which is so important for a variety of activities, needs to be carefully protected. For this, the body is designed so that the brain sits insi
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