This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Physiological effects of carbon dioxide concentration and exposure period. en Physiological effects of carbon dioxide concentration and exposure period Based on graph Fig in NOAA Diving Manual Second Edition Ed James Miller Publisher US Department of Commerce Peter Southwood PDUSGov Uploaded with Physiological graphs