CBSENEETClass 9
Why is the cell called the structural and functional unit of life?
Answer
The cell is called the structural and functional unit of life because it forms the building block of the body and carries out all life processes.
The working
Structural unit
Every living organism is built from cells, so cells are the basic bricks that make up the body.
Functional unit
All essential life activities like respiration, nutrition and excretion take place within cells.
Independent existence
In unicellular organisms a single cell performs all functions needed for life on its own.
Conclusion
Since it provides both structure and carries out functions, the cell is called the structural and functional unit of life.
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