How do we gain energy for our daily routine work from the food we eat?Explain on the basis of reaction taking place.

well for instance cows,

1.
the sun is shinin on top of the grass

2 cows munch on the
grass

3 so then cow gets the proteins anvitamins for
us

4. we cut the fgrass, as beef so then we get the energy
and then we also eat the grass with either a bun , soup or bread these are all high in
fibre so it gives us a lot of energy for the day.