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A group of cells performing a similar function is called:
(d)None of the above

Last updated date: 13th Jun 2024
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Hint: The basic structural and functional unit of the body is termed as a cell. Histology is a branch of science that deals with the microscopic study of tissue appearance, organization, and function.

Complete answer:
A group of cells performing a similar function is named as a tissue. Example: smooth muscle, epidermis, etc. The term tissue is used to define a group of cells seen together in the body. The cells that - form a tissue share a common embryonic origin. Microscopic observation shows that the cells in a tissue have similar morphological features and are arranged in an orderly pattern that helps in accomplishing the tissue’s functions.
-From the evolutionary point of view, tissues appear in more complex organisms.
-A disturbance or change in the structure is a sign of injury or disease.
There are four main types of tissues:
Epithelial tissue, also called the epithelium, denotes the sheets of cells that cover external surfaces of the body, lines interior cavities and passageways, and creates certain glands.
Connective tissue binds the cells and organs of the body together and also helps in the protection, support, and incorporation of all parts of the body.
Muscle tissue is excitable, responding to stimulus from the surrounding and contracting and relaxing to provide movement, and occurs as three main types: skeletal (voluntary) muscle, smooth (involuntary) muscle, and cardiac muscle present in the heart.
Nervous tissue is also excitable that allows the propagation of electrochemical signals in the form of nerve impulses that aid in communication between different regions of the body.
So the correct option is “tissues”.

Note: The biological levels of organization of living organisms are composed of the simplest to the most complex that goes in order organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.