Labels:bulletin board | person | poster | rock | subarachnoid space | windowpane OCR: HELP The Brain The brain IS the control centre OF the body t weighs about 15 kg and contains thousands of millions of nerve cells. Your brain 19 compiex network of cells and nerve fibres. It can proc ess 50 million signals per second Different parts of the brain perform different tasks Your brain Is the main organ of control and memory complex
(.png)
