If John is in perfect energy balance, ingests 2500 kcal/day, and expends 350 kcal/day with physical activity; what is his metabolic rate? [Note: Yes, you can calculate this from the information given.] If John is in perfect energy balance, ingests 2500 kcal/day, and expends 350 kcal/day with physical activity; what is his metabolic rate? [Note: Yes, you can calculate this from the information given.]

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

It's called the nephron.

                                                                             

Depend on others just like they said