1. No, because the wide straw allowed way more air than the others. It was harder to breathe sitting with the small straw than to do jumping jacks through the wide one.
2. The wide straw caused breathing to be harder than normal, because the gap was smaller than normal.
3. It did affect me, because the air flow was even more limited so I didn't get as much of oxygen.
5. You breathe harder when you are more active because your body needs more oxygen