A typical neuron consists of a cell body (soma), dendrites, and a single axon. The soma is usually compact. The axon and dendrites are filaments that extrude from it. Dendrites typically branch profusely and extend a few hundred micrometers from the soma. I know that this only answers part of it, but I hope this helps.
The carotid arteries are a pair of arteries located on both sides of your neck that deliver blood to your head and brain. Hope this helps!
That’s a hard question there are many ways to do that though where is this happening you should talk to someone in charge of administration.