100+ Downward collapse PowerPoint (PPT) Presentations, Downward collapse PPTs

Downward collapse - PowerPoint PPT Presentation

Don't

Don't. "Fall". Apart!. The Duchenne smile. Guillaume Duchenne (1806-75) experimented with electricity and determined that smiles resulting from true happiness not only utilize the muscles of the mouth but also those of the eyes. Such "genuine" smiles are called Duchenne smiles in his honor.

★ ★ ★ ★ ★

396 views • 13 slides

View Downward collapse PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Downward collapse PowerPoint presentations. You can view or download Downward collapse presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.

'Downward collapse' presentation slideshows

Downward collapse - PowerPoint PPT Presentation

Don't