When we select our lesson, we can start it right away, or tap on a small book icon to see it's overview.
We do the latter here.
Watch an ad
We're given the option to watch an ad to start the lesson with more health. We don't do that right now, but it could be a good option for a future lesson.
We've now started the lesson and start to answer questions.
No health left
I made a couple of mistakes and ran out of health. We're told we can't continue without health, so we can either try again later, or buy more health with out gems. We go ahead and refill our health.
We've now completed our lesson and are shown our streak.
We're shown an ad and told that the ad kelps keep education free.
We're now told about another Duolingo app we might be interested in.
Here we see a promotion for Duolingo Plus - a premium subscription for the app.
After all of the promo screens of various types, we're done and land back in the dashboard.