Tissue is a ;
A . group of organ
B . group of cell
C . group of tissues
D . group of organs
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Tissue is a ;
A . group of organ
B . group of cell
C . group of tissues
D . group of organs
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Answer:
B) a group of cell
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Answer:
Group of similar cells that function together in a specialized activity
Explanation:
Tissues are the group of specialized cells that perform specific functions in the body. Group of tissue forms organs and later grouping of specialized organs form the organ system. These all together perform all the body functions. Tissues are mainly of four types.
The tiny circular bodies (Cells) are known as the structural and functional unit of life. Organisms can be unicellular or multicellular on the basis of cells of the body. Unicellular organisms are single celled while multicellular organisms have many cells. Cells that have common origin and perform specific functions grouped together and form tissues. Tissues have intercellular material in them. Groups of tissues form organs and organs together form an organ system. Bichat (1771-1802) gives the term tissue. Histology is the study of tissues. Animal tissues are mainly grouped into four categories: connective, muscle, nervous, and epithelial. Epithelial tissues present as the outer wall. They involved diffusion of ions and molecules. It creates the protective boundaries. Connective tissue supports and underlies other tissue types. Muscle tissue initiates the body movement by contraction. Nervous tissue plays an important role to transmit and integrate information through the central and peripheral nervous system. From the above information we can say that a tissue is a group of similar cells that function together in a specialized activity.
Epithelial Tissue is a highly cellular overlying body surface, lines cavities and form glands. They have receptors to sense the environment stimuli. These have three types of surfaces: basal, apical, and lateral. These cells have different shapes: squamous, cuboidal, and columnar. Layers of tissues are simple, stratified and pseudostratified. The most abundant tissue in the body is connective tissue originate from mesenchyme. Muscle tissues are elastic so that they can contract and relax easily