I discovered this very cool interactive CT scan viewer, and its available on demand in browsers too for free! Blows everything else online away in terms of coolness/cm^2
See https://app.lumafield.com/ to try it out yourself along with lots of other models.
I believe it’s courtesy of this writeup from scanofthemonth.com and Tony Fadell (key guy behind the iPod), see: https://www.scanofthemonth.com/scans/ipod-evolution