Search Results for: Single cell micro organism
example, organs and organ systems. human physiology, a specialized field within physiology , studies the functioning of the human body, including its systems, tissues, and cells. the study of tissues is the focus of histology, and the study of cells is part of cytology . the human body is an intricate organism
four other common compounds are carbohydrates (such as glucose or starch), lipids (fats), nucleic acids , and proteins . these last four all include the element carbon. cells the average adult human body is estimated to have ten trillion to one hundred trillion cells. these range in size from a sperm cell...
https://www.newworldencyclopedia.org/entry/Human_body