The part that controls the muscle cordinarion is the cerebellum
Eating proteins increases what your body needs to keep you healthy when you are lacking in amino acids it is useful to bet more protien in your system.
Yes it would because they are the green and healthy i would be surprised if they weren't
They are similar to animals because they can move and they are heterotrophs (heterotrophs are organisms that cannot manufacture their own food and instead get their food and energy by taking it from organic substances like plant matter).