Why is the cell called structural and functional unit of life?

By Shivank Goel|Updated : August 16th, 2022

A cell is the smallest and basic unit of life that is responsible for the life processes. The cells are biological, functional, and structural units of all living beings that can independently replicate themselves. It is called the biological block of life.

The cell is the most important body-forming unit. All the organs in a body are made up of cells. They multiply and divide to form new gametes and organs too. Below you can find the reasons why a cell is called the structural and functional unit of life.

  1. Cells are called the structural and functional unit of life as all living things are made up of cells.
  2. They are important in performing numerous life processes which are necessary for sustaining life.
  3. The cells provide form and structure, process nutrients, and convert them into usable energy.
  4. The specialized cells in multicellular organisms perform specific functions.

A few examples are 

  • Blood has RBC and the cell is basically tasked with transporting carbon dioxide and oxygen.
  • A photoreceptor cell is a specialized cell that is found in the eyes. This cell is tasked to convert light to signals which are capable of influencing biological processes.

Therefore, the cell is called the structural and functional unit of life as living things are made of cells, important for sustaining life, converting nutrients to usable energy, and performing specific functions.

Summary:

Why is the cell called a structural and functional unit of life?

The cell is called the structural and functional unit of life as living things are made of cells, important for sustaining life, converting nutrients to usable energy, and performing specific functions.

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