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dc.contributor.author Wikibooks Contributors
dc.date.accessioned 2018-09-30T21:29:00Z
dc.date.available 2018-09-30T21:29:00Z
dc.date.issued 2006
dc.identifier.uri http://hdl.handle.net/20.500.12091/401
dc.description.abstract Cells are the microscopic fundamental units of all living things. Every living thing has cells: bacteria, protozoans, fungi, plants, and animals are the main groups (Kingdoms) of living things. Some organisms are made up of just one cell (e.g. bacteria and protozoans), but animals, including human beings, are multicellular. An adult human body is composed of about 100 trillion cells! Each cell has basic requirements to sustain it, and the body's organ systems are largely built around providing the many trillions of cells with those basic needs (such as oxygen, food, and waste removal). There are about 200 different kinds of specialized cells in the human body. When many identical cells are organized together it is called a tissue (such as muscle tissue, nervous tissue, etc). Various tissues organized together for a common purpose are called organs (e.g. the stomach is an organ, and so is the skin, the brain, and the uterus). en_US
dc.language.iso en_US en_US
dc.publisher Wikibooks en_US
dc.subject Physiology en_US
dc.title Cell Physiology en_US
dc.type Book chapter en_US


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