Wisc-Online
Wisc Online: Identifying Eukaryotic Animal Cell Organelles
This is a tutorial slideshow showing the internal structure of an animal eukaryotic cell. Each slide has excellent labeled drawings accompanied by descriptive text explaining the function of each part.
Merriam-Webster
Merriam Webster: Dictionary Illustration: Cell
Labeled illustration of a plant and an animal cell and their parts.
Curated OER
3 D Cells
A brief animation and a more detailed navigation of a cell and it's structure can be found here. Each part is labeled and some are animated.