* Metabolism: Cells carry out a wide range of chemical reactions to sustain life. This includes breaking down nutrients for energy, building complex molecules, and eliminating waste products.

* Growth: Cells increase in size and complexity, which can involve increasing the number of organelles and the production of new proteins and other molecules.

* Reproduction: Cells reproduce through processes like mitosis (for somatic cells) or meiosis (for germ cells), creating new cells for growth, repair, and development.

* Response to stimuli: Cells detect and respond to changes in their environment, such as changes in temperature, nutrient availability, or the presence of harmful substances. This allows them to adapt and survive.

* Organization: Cells are highly organized structures with specific compartments and functions. This organization allows them to carry out complex processes efficiently.

* Homeostasis: Cells maintain a stable internal environment, despite external changes. This includes regulating temperature, pH, and the concentration of essential molecules.

While all cells share these fundamental functions, the specific ways in which they carry them out can vary greatly depending on the type of cell and its role in the organism.