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PLSSS HELP ITS DUE TODAY

A student used individuals plastic blocks that snap together to build four walls and a roof. Then, the student connected the walls together, put on the roof, and added a plastic door in one of the walls to make a house. If we used this model to represent the organization of living things and we let the house represent an organ, what do the individual plastic blocks represent?


A. Cells

B. Tissues

C. Organelles

D. Organisms