 FBML EssentialsWhen it initially launched, the Internet transformed the way humans connected. Soon enough we had access to unlimited content at our fingertips. Within a matter of years, people were changing the way they communicated, and by the late 1990s, social networks were beginning to make their transformative impact. You could say a lot of things about the... |  |  |  |  Review of Medical Physiology (LANGE Basic Science)In unicellular organisms, all vital processes occur in a single cell. As the evolution of multicellular organisms has progressed, various cell groups have taken over particular functions. In humans and other vertebrate animals, the specialized cell groups include a gastrointestinal system to digest and absorb food; a respiratory system to take... |