TRUE. Anaerobic exercise refers to a short-lasting but a high-intensity exercise where the bodies demand for oxygen exceeds the supply. Examples of anaerobic exercise include heavy weight training, sprinting. swimming can either be aerobic or anaerobic depending on the intensity. in this case, i will classify it as anaerobic exercise because of its high speed at short intervals.
Not exactly for sure but it seems like it could be negative to the digestive process because your taking away the positive effects of gravity on the digestive system.