Human biology is an academic field of biology which focuses on humans it is closely related to medicine primate biology and a number of other fields a human being is a multicellular eukaryote consisting of an estimated 100 trillion cells. Human biology your body is an amazing system the human body is made up of groups of organs called organ systems that work together to keep the body in balance in this section well travel from the circulatory system to the nervous system to the immune system and beyond
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