'Cells are the basic structural units of living organisms'. Explain.

Explanation

**Step-by-Step Solution:**

1. **Definition of Cells**: Cells are the smallest units of life that can carry out all the functions necessary for an organism to survive. They are often referred to as the building blocks of life.

2. **Composition of Living Organisms**: Every living organism, whether unicellular (made up of a single cell) or multicellular (made up of many cells), is composed of cells. This means that all forms of life, from bacteria to humans, are fundamentally made of cells.

3. **Life Processes within Cells**: All essential life processes, such as metabolism, growth, reproduction, and response to stimuli, occur within cells. This indicates that cells are not just structural units but also functional units that sustain life.

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