When you exercise vigorously, glyocogen is broken down in muscle cells providing energy to?
D it can’t be the rest because: it can’t be C since the glycogen is stored only in muscle cells, and when you execise you only use muscles, and the cells inside them you dont break down glucose to supply energy for the whole body, as that happens in respiration in other cells, but during exercise, your body’s main aim is to provide energy for the execise itself…you can trust my answer and here’s proof: “In the well-fed state, glucose broken down from muscle glycogen is primarily used to fuel muscle tissue during exercise.
