Skip to content

Films · Biology · Cellular respiration

heyprof · Expedition

Wohin verschwindet dein Frühstück?

Ein Film. Dein Stand. Dein Tempo.

Expedition · 2 Min.

Wohin verschwindet dein Frühstück?

Wie gut kennst du dich damit aus?

0:00
−1:31
  • Kohlenstoff
  • Sauerstoff

We store questions without any link to you; selected ones appear anonymously as frequent questions.

Wohin verschwindet dein Frühstück?

Biology · Cellular respiration

NewNov 6, 2026 · 1 chapter

Where does your breakfast go? Follow the atoms of a sugar molecule through the mitochondrion to the carbon dioxide you breathe out. Choose how deep it goes and step in.

The film is currently available in German; an English version will follow.

How a film works on heyprof

Every film here listens. Pause it, ask it questions and let it continue with your own examples.

  1. PauseTap pause or press the space bar. The film waits right at that moment.
  2. AskTap “Ask” and type what you want to know. The answer comes inside the film, with picture and voice.
  3. Steer itTell it what to show, for example “Do this with z = 2 − 3i”. The film sets up the app and works it out.
  4. Try it yourselfWhile it is paused, drag points and sliders yourself. “Continue” takes you back into the film.

Without an account: five questions per visit. With an account you can also ask by voice.

Comments