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October 24, 2014

Posts by beca


Total # Posts: 3

Physics
Even when the head is held erect, as in the figure below, its center of mass is not directly over the principal point of support (the atlanto-occipital joint, point A). The muscles at the back of the neck should therefore exert a force to keep the head erect. That is why your ...
October 15, 2014

Bio - Reproductive Organs
Hi, The McMaster anatomy quizzes can be done where? where can i find these quizzes ?? Thanks !
March 26, 2011

psychology
what is a psychology term for negative stress
November 25, 2010

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