Is it possible for me to insert mobile pictures to PowerPoint?

Is it possible for me to take a picture on my phone and somehow insert that picture to my PowerPoint presentation? I have an iPhone 7

Yes that's incredibly straightforward.

I don't see why not. I assume the iOS version of Powerpoint can transfer/sync data with a desktop version, be it macOS or Windows to be able to start a project on one & continue on another or if not, just transfer the pic to a computer & insert it from there.