

There’s some evidence that mitchondria might be the reason life needs sleep. They can kill their cell and communicate with other mitochondria.
ATP production is super important, but they do a lot more than just creating that usable ‘currency’ of energy that inspired the ‘powerhouse’ idea.







Exactly!
Once the face-biting starts, that body language indicates you may want to stop squeezing him and rubbing his soft pink belly.