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ткиво
A tissue in medicine is not like a piece of tissue paper. It is a broad term that is applied to any group of cells that perform specific functions. A tissue in medicine need not form a layer. Thus, the bone marrow is a tissue; Connective tissue consists of cells that make up fibers in the framework supporting other body tissues; and lymphoid tissue is the part of the body's immune system that helps protect it from bacteria and other foreign entities.
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Јангце
The longest river in Asia, and the ('''third-longest in the world'''). It flows for 6,418 kilometres (3,988 mi) from the glaciers on the Tibetan ...