The Importance of Local Motion in Digestion

I was wondering if you could say a little bit more about your reply to the Cartesian response. You're saying that observation shows that it can't just be a local motion doing digestion because take a rock, put it in a microwave, things start moving really quickly. Do you need an efficient cause to account for metabolism as a kind of a kickstart to an initiator of metabolic processes? Or can you just say what we call metabolic processes is just the local motion of parts or particles? That's helpful. Okay. Thank you. I'm interested inkind of what this says about how we do philosophy. And Descartes is kind of a good example for that because he veered