Their food and oxygen intake is thus cut ninety percent, greatly simplifying the supply problem.

A treadmill test indicated that her oxygen intake had increased.

In treadmill tests, electrocardiogram responses show oxygen intake while people walk.

By self-hypnosis he put himself into a timed sleep in which his oxygen intake would be more than halved.

During such times, they have been observed to gulp air to increase their oxygen intake.

Yawning may in fact reduce oxygen intake compared to normal respiration.

We find ourselves less able to think dearly as the oxygen intake diminishes and our panic therefore becomes greater.

The oxygen intake was insufficient to maintain the system in his present state and she knew now that it was a matter of time.

In addition, mouth breathing is often associated with a decrease in oxygen intake into the lungs.

A result is that you increase oxygen intake but also 'blow off' carbon dioxide in your heavy breathing.