Got rid of “dust” from vocab and pm-1 of chapter 5 in circulatory epub
Added a new image for the popup in the amazing heart-pm3
Merge remote-tracking branch 'origin/SarahsBranch' into IntroductionBranch
Added some regions for image highlighting.
Merge remote-tracking branch 'origin/IntroductionBranch' into IntroductionBranch
Added the functionality for multiple highlighting (thanks Erin!). Added some more fixes from Sarah’s suggestions.
Fixed the audio playing bug that enabled the interactions.