00:01
Nervous system is the most complicated and very well specialized structure.
00:08
So it is special structure which is more complex compared to other systems in our body.
00:19
And this is also one of the first system, one of the first organs or first cells to be.
00:30
Formed in a embryo formed in an embryo.
00:38
So this is the nervous system if we take the there are mainly three two parts one is the central nervous system central nervous system which includes two main organs that is the brain and the spinal cord spinal cord and and and second, we have peripheral nervous system, peripheral nervous system.
01:15
And this includes all the nerves that arise from brain and spinal cord.
01:21
So basically, if we take the entire nervous system, whatever we take, that is either brain, spinal cord or nerves, the all are made up of single cell, that is neuron, structural and functional unit.
01:35
So if we take adult human brain, so if we take average adult human brain size, human brain size, so it can differ based on our body built up as well as the height, weight, etc...