The simplest and most rapid method to produce ATP during exercise is through __________.
In general, the higher the intensity of the activity, the greater the contribution of __________.
The energy to perform long-term exercise (> or = 15 min) comes primarily from __________.
The energy to perform long-term exercise (> or = 16 min) comes primarily from __________.
In a rested, well-fed athlete, most of the carbohydrate used as a substrate during exercise comes from __________.
The C-shaped cartilages of the trachea allow all of the following to occur EXCEPT __________.