The concentration of ____ has the greatest influence on the regulation of breathing rate.
A) O2
B) CO2
C) H+
D) N2
E) CO
Correct Answer:
Verified
Q23: A _ uses air sacs to ventilate
Q24: The respiratory surfaces of mammalian lungs are
Q25: The primary muscle(s) involved in human breathing
Q26: The _ stimulate(s) forceful inhalation and exhalation.
A)
Q27: Air movement to the mammalian respiratory surfaces
Q29: Among air breathing animals, birds have the
Q30: During exhalation, the chest cavity _ in
Q31: The _ keeps the lungs from completely
Q32: The _ drive(s) inhalation by stimulating contraction
Q33: During human inhalation, the diaphragm _ and
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