I'm sorry, but I cannot see the graph you're referring to. If you can provide a description of the lines and how they relate to the carbon dioxide levels and breathing rate during exercise, I would be happy to help you analyze it!
. Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? (SC.912.N.1.1)
*
1 point
Captionless Image
Line A
Line B
Line C
Line D
1 answer