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A group of cells of similar structure that work together to perform a specific function is called a:

AOrgan system
BOrgan
CTissue
DOrganism
Answer & Solution
Correct answer: C. Tissue
A tissue is a group of structurally similar cells specialised to perform a particular function — like muscle tissue (movement), nervous tissue (signal conduction), or epidermis (protection). Tissues combine to form organs.
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