Topic: Life Processes

Friday, September 7, 2012

Coffee is one of the most commonly purchased products in the United States. Actually about 400 million cups of coffee are sold every single day!
The brain is the central cerebral powerhouse of our nervous system and carries out commands that involve, well, the entire body! This vital organ takes up about 20% of the oxygen we take in and is a mere 2% of our body mass.

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