Enchanted Learning
Enchanted Learning: Plant Cell: Animal Cell Anatomy
This is a thorough site which contains a glossary of plant/animal cell anatomy terms. Diagrams of both cells are included along with worksheets to label.
BiologyWise
Biology Wise: A Labeled Diagram of the Animal Cell and Its Organelles
The parts of an animal cell are presented with descriptions of each of its organelles.
Other
Biology Mad: Structure and Function of the Cell [Pdf]
This 11-page Biology course handout gives a detailed explanation of cell structure, supplemented by many illustrations.
Florida State University
Florida State University: Virus Structure
View a colorful 3-D diagrams of viruses and learn about how their structure helps them infect plants, animals, and bacteria.