Print this Web Links Activity Log to record your findings. In order to view and print these activities, it is necessary to have Adobe Acrobat Reader. If you do not have this, get the free download now.   Click the Techie Toolbox for tips and help to make the most of your time on the Web. Chapter 8: A View of the Cell Cells Alive! Follow the link to this site for descriptions of how cells respond to various invaders, including HIV, bacteria, and a splinter. Which of the white blood cells are the most active? Molecular Expressions This site provides a good history of cell biology and links to colorful graphics of cell organelles as well as comprehensive explanations of their functions. How many cells does the human body have? Click on the animal cell link to learn what feature is missing from animal cells but is found in plant and fungi cells. Virtual Cell Follow the link to this site to take a 3-D navigational tour through a plant cell. What structure is unique to plant cells? View an electron micrograph of a real plant cell and compare it to the virtual cell.