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ANIMAL'S BRAIN..
Brain is the center of the nervous system in animals. All vertebrates, and the majority of invertebrates, have a brain. Some "primitive" animals such as jellyfish and starfish have a decentralized nervous system without a brain, while sponges lack any nervous system at all. In vertebrates animal, the brain was located in the head, were protected by skull and close to the primary sensory apparatus of vision, hearing, balance, taste, and smell.
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