What are the limitations of nervous system how is it overcome?
Answers
Nervous system in human body works or communicates using nerve
impulses which are form of electrical impulses. Electrical impulses are
an excellent means of communication in human body but they have
following limitations:
1. They reach only those cells that are connected by nervous tissue,
not each and every cell
in the animal body.
2. Cells cannot continually create and transmit electrical impulses.
once an electrical impulse is generated in a cell and transmitted,
the cell will take some time to reset its mechanisms before it can
generate and transmit a new impulse.
Due to above said limitations most multicellular organisms use another
means of communication between cells, namely, chemical communication
i.e. hormone or endocrine system. It is slower than nerve cells but
potentially reach all cells of the body.
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The two limitations are:
1. The impulses reach only those cells that are connected by nervous tissue and not each and every cell in the animal body.
2. Once an electrical impulse is generated in a cell and transmitted, the cell will take some time to reset its mechanisms. before it can generate and transmit electrical impulses
l hope this helps you >_<