Human Brain 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 Information to think about. Thinking involves more complex mechanisms and neural connections. These are concentrated in the brain, which is the main coordinating centre of the body. The brain and spinal cord constitute the central nervous system. They receive information from all parts of the body and integrate it.We also think about our actions, Writing, talking, moving a chair. clapping at the end of a programme are examples of voluntary actions which are based on deciding what to do next. So, the brain also has to send messages to muscles. This is the second way in which the nervous system communicates with the muscles. The communication between the central nervous system and the other parts of the body is facditated by the peripheral nervous system consisting of cranial nerves arising from the brain and ...
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