| What is your age, height, weight, diet?
how active are you right now? What do you do?
What are you willing to do? How much time and effort are you willing to put into this?
Cardio is when your lungs are breathing at more than 65% of the maximum effort for more than 6 minutes- though the definition may have changed slightly in the last few years it includes running, bikeing, swimming ect. | 
