Monday, 13 February 2012

Understanding the structure and functions of the human brain

I found a website for understanding how the brain works called http://science.howstuffworks.com/environmental/life/human-biology/brain.htm. It has useful diagrams and information on brain structure and its functions for example "Substantia nigra, is involved in voluntary movements; when it does not function, you have the tremored movements of Parkinson's disease". 


-The cerebral cortex is the largest part of your brain. It contains the frontal lobes, the motor cortex, sensory cortex and parietal lobes


-The brain is made up of around 100 billion nerve cells called neurons. Neurons have different functions and therefore come in different shapes for example motor neurons carry signals from the central nervous system to the outer parts (muscles, skin, glands) of your body. They have a cell body on one end, a long axon in the middle and dendrites on the other end . Neurons gather and transmit electrochemical signals to each other as way of communicating and transporting the signal around the body.


-Your brain is connected to your spinal cord by the brain stem


-Different areas of your brain control different activities:




1 comment:

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