Question

explain the multipler nervous?​

Answer 1

Every time there is an injection of new demand into the circular flow of income there is likely to be a multiplier effect. This is because an injection of extra income leads to more spending, which creates more income, and so on. The multiplier effect refers to the increase in final income arising from any new injection of spending.

Answer 2

Answer:

the complexity of nervous system can be observed during the course of evolution

1)the central nervous system three types

1)duramater

2)arachnoid membrane

3)piamater