Do all muscle movements in the body go through a control that includes
the brain?

That is true. All muscle movements, including both voluntary and involuntary, in the human body go through control that includes the brain. All muscles move on commands from the brain because single nerve cells in the spinal cord, called motor neurons, are the only way the brain connects to muscles.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.