Step through the cell membrane and you enter cytoplasm, the gel-like filling between the outer wall and the nucleus. Scientists describe it as everything inside the cell except the nucleus. It is not empty space. It is a nutrient-rich jelly where organelles float, proteins drift, and countless chemical jobs happen every second. Think of it as the cell's bustling workspace.
⚡ DID YOU KNOW?
Cytoplasm makes up a large share of a cell's volume. In many cells it fills most of the space you see under a microscope, packed with dissolved molecules and floating organelles.