Cells Alive!
Great graphics on this site, including animations of cells. There are some puzzles as well, and just let me warn you – they are addicting. I spent 15 minutes putting together the streptococcus puzzle.
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Whole Frog Project
OK, this is pretty cool – you can dissect a frog online. Well, obviously not REALLY….but pretty close! Just jump to the “Virtual Frog Dissection Kit”, and then don’t forget to click on the “Help” file – it will give you some tips for how to move the frog around.
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