The brain is one of the largest and most complex organs in the human body. It is made up of more than 100 billion nerves that communicate in trillions of connections called synapses. ... The brain stem is between the spinal cord and the REST of the brain. Basic functions like breathing and SLEEP are controlled here.The brain is a complex organ that controls thought, memory, emotion, TOUCH, motor skills, vision, breathing, TEMPERATURE, hunger and every process that regulates our body. Together, the brain and spinal cord that extends from it make up the central nervous system, or CNS.The brain is an amazing three-pound organ that controls all functions of the body, interprets information from the outside WORLD, and embodies the essence of the mind and soul. ... The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body.You have three brains – your HEAD brain, your HEART brain, and your GUT brain.You have three brains – your HEAD brain, your HEART brain, and your GUT brain....The Role of the Three BrainsThe Role of the Three BrainsThe head brain analyzes information and applies logic.The Role of the Three BrainsThe head brain analyzes information and applies logic.The heart brain senses the world through emotion and feelings.The Role of the Three BrainsThe head brain analyzes information and applies logic.The heart brain senses the world through emotion and feelings.The gut brain is used for understanding our identity and who we are in the world.