the electrons go from the negative to + terminal all the way through the circuit, why doesnt it just go through the cell directly?? Pls explain in detail!!!

 coz circuit is made of conducting material in which there are free electrons & they move when

field is applied or potential difference is is there in the circuit...

so , electron will only flow if they are free ...

in wood , plastic  there are no free electrons so no current ..

directly in air they cannot move from -ve to +ve terminal of battery......