Answer:
They are known as the power house of the cell. They are organeles that act as a digestive system which then they take in nutrients, break them down, and create energy for the cell. This process is also known as cellular respiration.
You didn't really provide any possible answers here. However, it's very easy to say that the responsible actors for impulse transmission across the synapses from one nervous cell to another nervous cell is what we call neurotransmitters. These are special molecules that can have different effects when binding onto the required receptor sites.
I can surely tell you it is super shiny bacon