What might happen if the human body did not have specialized cells, tissues, organs, and organ systems to maintain homeostasis?

The body wouldn't be able to fight off dangerous and deadly pathogens or produce energy from the nutrients a human digests. The body also wouldn't be able to undergo functions necessary for survival such as respiration, digestion, and excretion. Basically without a system of organs that assign each part of the body a specific job, the human body would just be a cluster of cells like most bacteria. 

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the