brain It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings and it controls everything even our heart beat and breathing
Many people would probably think it's the heart, however, it's the brain! While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body.
Some people consider tannig "healthy" because the sun is also a source of Vitaman D and if your pigment of your skin is darker, then that helps your skin also
