Real talk the electron transport chain is literally SO insanely cool to me. Like you’re telling me we breathe in oxygen that diffuses into our blood based solely on concentration gradients and then every cell in our body to then pull electrons through a microscopic motor pump to make ATP 🤯 . . . #medicalschool #medicalstudent #premed #studygram #doctorsofinstagram #residency #womeninstem #womeninmedicine #medschool #predental #nursingschool #healthcareworkers #mcat #usmle #biology #orgo