Cells
A cell is a basic structural, functional and biological unit of all living organisms. which basically means all organisms are made up of cell.
Organisms can be classified into 2 based on cell: unicellular organisms and multi cellular organisms.
Unicellular organisms are made up of one single cell eg: bacteria, amoeba etc
Multicellular organisms are made up of thousands of cells eg: Humans, dogs, cat etc Nucleus: This is the control center of the cell. It contains the cell's genetic information (DNA) and controls all of the cell's activities, such as growth and metabolism.
Mitochondria: Often called the "powerhouses" of the cell. They are responsible for producing the energy (in the form of a molecule called ATP) that the cell needs to function.
Ribosomes: These are like small factories that build proteins. They can be found floating freely in the cytoplasm or attached to the endoplasmic reticulum.
Endoplasmic Reticulum (ER): This is a network of membranes that helps process molecules within the cell and transport them to their final destinations.
Rough ER: This part has ribosomes attached to it, giving it a "rough" appearance. It's involved in making and processing proteins.
Smooth ER: This part does not have ribosomes. It is involved in making lipids (fats) and detoxifying the cell.
Golgi Apparatus: This organelle is like a sorting and packaging center. It modifies, sorts, and packages proteins and lipids before they are sent to their final destinations.
Cytoplasm: This is the jelly-like fluid that fills the cell and surrounds all the organelles. Most of the cell's chemical reactions take place here.
Cell Membrane: This is the outer boundary of the cell. It controls what enters and leaves the cell, protecting it from the outside environment.
Vacuoles: These are sacs used for storing water, nutrients, and waste products. They are much larger in plant cells than in animal cells.
Chloroplasts: These are found in plant cells and some algae. They are responsible for photosynthesis, the process of using sunlight to create food (glucose) for the plant.






Need more information about functions of cell organelles
Difference between prokaryotic and eukaryotic cell