"Human body's command center can be called as the nervous system, which controls and coordinates all the functions like digestion, breathing etc. This system is all about everything a person do, think, feel and say. The complicated processes like movement, thought, memory are under this coordination setup. The two main parts are CNS (Central Nervous System) and PNS (Peripheral Nervous System). CNS consist of brain and spinal cord and PNS have nerves which send signals from brain and spinal cord to all over the body. Thought process, memory, learning, feelings, movements mainly balance and coordination, senses, sleeping, aging, body processes like puberty, heart beat, healing, breathing patterns, digestion about hunger and thirst, stressful situation responses all this are the functions of nervous system. Brain is the most complex organ in human body which contains more than 100 billion neurons, each of them connected to a thousand more. More details can be obtained from the powerpoint presentation."

Sreelakshmi Sethumadhavan

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