At rest: Breathing rate = 12 breaths per min. Volume of air per breath = 500 mL/breath Intense exercise: Breathing rate = 30 breaths per min. Volume of air per breath = 2000 mL/breath During intense exercise, how much air is Susie breathing per minute? Group of answer choices 60, 000 mL/breath 6,000ml/min 6,000 mL/breath 60,000 mL/min