| When the diameter of the coronary arteries is reduced, blood flow cannot increase sufficiently and the heart runs up an oxygen debt. |
| For athletes, that means they will go into oxygen debt sooner and will start cramping up. |
| And you get to watch less prudent swimmers go out fast then fall apart later as fatigue and oxygen debt hit. |
| When lactic acid fills the muscles or painful oxygen debt occurs, the body screams for rest. |
| Which component of the inflation response creates the pufferfish's oxygen debt? |
| Most people think inflated pufferfish hold their breath, and compensate for oxygen debt by absorbing oxygen directly through their skin. |
