The cytoskeleton acts like a scaffolding in a cell; it helps maintains cell shape, protects the cell, enables cellular motion, and plays other important roles.

Cytoskeleton
Cytoskeleton Wikipedia.org Detailed look at the cytoskeleton, with images.
Cytoskeleton - Cytoplasm
Cytoskeleton - Cytoplasm, Brightstorm Science Videos, Video length: 03:27.
Cytoskeleton - the movers and shapers in the cell
Cytoskeleton - the movers and shapers in the cell, British Society for Cell Biology, Read all about protein filaments and motor proteins here.
Cytoskeleton and Cell Movement Complete Review
Cytoskeleton and Cell Movement Complete Review Biology Questions and Answers Excellent review in Q&A format.
Cytoskeleton Microtubules
Cytoskeleton Microtubules, By Great Pacific Media, October 21, 2009, Segment from the program Cells: The Structure of Life. Video length: 04:50.
Cytoskeleton Tutorial
Cytoskeleton Tutorial, The Biology Project, Department of Biochemistry and Molecular Biophysics, University of Arizona, " You should learn that the cytoskeleton is both a muscle and a skeleton,
Essential Biochemistry - Actin and Myosin
Essential Biochemistry - Actin and Myosin, John Wiley and Sons, College or AP Biology level video animation on the cytoskeleton structure.
Functions of Microtubules in Cells
Functions of Microtubules in Cells, IvyRose Holistic, Combination of text and diagrams explaining what microtubules are, their structure, role, and importance.
Introduction to cytoskeleton - Video
Introduction to cytoskeleton, By Khan Academy, YouTube.com, Video length: 06:27.
Journey Into The Cell: The Cytoskeleton
Journey Into The Cell: The Cytoskeleton, By Regina Bailey, ThoughtCo., "Explore the structure and function of the cytoskeleton in animal cells."
Microtubules Function
Microtubules Function, By Dr. Sumaiya Khan, Buzzle.com, "The function of Microtubules entails aiding in cytokinesis and vesicular transport." Visit the web site to learn more.
Molecular Expressions Cell Biology: Microtubules
Molecular Expressions Cell Biology: Microtubules, by Michael W. Davidson and The Florida State University, College level information on micotubules; has two illustrations.
The Cytoskeleton Animation
The Cytoskeleton, IKnowthat.net, "The cytoskeleton is made up of many tiny fibers: microtubules, microfilaments, actin, and myosin. These fibers and filaments can elongate or contract rapidly, all