The brain performs an incredible number of tasks including the following it controls body temperature blood pressure heart rate and breathing it accepts a flood of information about the world around you from your various senses seeing hearing smelling tasting and touching. This bar code number lets you verify that youre getting exactly the right version or edition of a book the 13 digit and 10 digit formats both work. You have some nerve so the brain is boss but it cant do it alone it needs some nerves actually a lot of them and it needs the spinal cord which is a long bundle of nerves inside your spinal column the vertebrae that protect it. Extra resources for inside your brain brain works example text by the twenty first day of development a neural tube is formed when the edges of the neural groove meet 5 the top graph shows the brain weights of males and females at different ages the bottom graph shows the brain weight to total body weight ratio expressed as a percentage. Inside your brain 3 excretion of waste products the one way flow from the csf to the blood takes potentially harmful chemicals away from the brain 4 endocrine medium for the brain csf transports hormones to other areas of the brain
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