: The brain receives information through our five senses: sight, smell, touch, taste, and hearing - often many at one time. It assembles the messages in a way that has meaning for us, and can store that information in our memory. The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body.
so the structure of the brain relates to a system called nervous system. For example when you touch a hot pan then you quickly remove your hand from the pan because the nervous system is sending a signal to your brain.
It means when 2 bones grow closer to each other and causes pain. This procedure fuses, or “welds,” together the two bones that make up your aching joint. It causes the bones to become one solid bone, and it can lessen your pain.