Forced deep breathing for a few minutes by a person sitting at rest may be followed by a temporary cessation of breathing. This influences
A. too much oxygen in blood
B. too much CO2 in blood
C. very little CO2 in blood
D. both too much O2 and very little CO2 in blood
Answer:C
Forced deep breathing for a few minutes by a person sitting at rest may be followed by a temporary cessation of breathing. This influences
A. too much oxygen in blood B. too much CO2 in blood C. very little CO2 in blood D. both too much O2 and very little CO2 in blood