Getting Physically Activ e Background Information One reason humans need food is for energy. This energy serves a variety of functions, such as fueling muscle movement and brain function, meeting basic - Gas exchange - Document - PDFSEARCH.IO

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	Getting Physically Activ e Background Information One reason humans need food is for energy. This energy serves a variety of functions, such as fueling muscle movement and brain function, meeting basic Add to Reading List Document Date: 2015-10-30 19:33:28 Open Document File Size: 466,37 KB Share Result on Facebook

Getting Physically Activ e Background Information One reason humans need food is for energy. This energy serves a variety of functions, such as fueling muscle movement and brain function, meeting basicAdd to Reading List