I like watching videos of how our cell biology works. This makes me realise the spiritual perspective of why everything is miraculous. Clockwork channel is good.

Your Operating System | Eukaryotic Transcription

https://youtu.be/HZAmbbTcQ3M

Phototransduction: How we see photons

https://youtu.be/NjrFe7JHY1o

How hearing works: auditory hair cells

https://youtu.be/b_3AngVJzp8