40. Circulatory System
Gas Exchange
Problem 3a
Textbook Question
Textbook QuestionWhen you hold your breath, which of the following first leads to the urge to breathe? a. falling CO2 b. falling O2 c. falling pH of the blood d. rising pH of the blood
![](/channels/images/assetPage/verifiedSolution.png)
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
2mPlay a video:
370
views
Was this helpful?
Related Videos
Related Practice
Showing 1 of 20 videos