Question

Why can't human cells live on their own, like bacteria?

Answer 1

cells of human body can't live on there own because all the cells of human body are specialized for a specific work only .all the cells perform different activities in which they are specialized and thus makes up an organization/organism .human body cells are dependent on complex bodily system for there proper metabolisms therefore they can't exist independently  ...
    i hope that my answer will help u......................^_^