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Tissue (biology) - Wikipedia, the free encyclopedia
Tissue is a cellular organizational level intermediate between cells and a complete organism. Hence, a tissue is an ensemble of cells, not necessarily identical, but from the same origin, that togeth...
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Organism - Wikipedia, the free encyclopedia
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In many-celled animals like human beings, cells must cooperate, and so they make tissues. A tissue is a group of cells of similar kinds that work together. ... An organ is a group of tissues working together. ... There are several different main types of bone, and one type is the "long bones." The long bones are the ones found...
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At the lower end of the backbone is the pelvis, a group of wide, large bones which protects the ... However, there are several different kinds of joint, and each one moves differently. ... That is because the bones inside your body are living organs, made of cells and tissues, working together to help your body live and move.
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The body contains several different types of cells, ... cells make up tissues; and two or more kinds of tissues working together make an organ. An organ is a part of the body that performs a specialized physiologic function. ... An organ system is a group of specialized organs working together to achieve a major physiological need.
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Humans have about 200 different kinds of cells and each type is specialized to carry out a specific function (job). ... When two or more tissues work together to perform a specific job, the group of tissues is called an organ. ... Organs work together to accomplish different jobs or tasks. When we have several organs working together,
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Proteins are so important that everything we can imagine doing—even imagining!—is the result of some 20,000 different kinds of proteins working together. ... Small communities of like cells begin to stick together and to make multicellular structures we call tissues. Different kinds of tissues assemble into organs,
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