Explain how are the functional units are connected
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Answer:
if this functional unit refers to cell ,then
cells are closely packed ,their are certain cellular junctions that connect one cell to other cells
Explanation:
Cell junctions are a class of cellular structures consisting of multiprotein complexes that provide contact or adhesion between neighboring cells or between a cell and the extracellular matrix in animals. They also maintain the paracellular barrier of epithelia and control paracellular transport
Desmosomes are protein attachments between adjacent cells. ...
Tight junctions are tightly stitched seams between cells. ...
Gap junctions are narrow tunnels between cells that consist of proteins called connexons
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