Many resting people breathe more with their ___ than with their ___ muscles.
A. diaphragm: pelvic
B. diaphragm: chest
C. chest: abdominal
D. chest; pelvic
Answer: B
Many resting people breathe more with their ___ than with their ___ muscles.
A. diaphragm: pelvic
B. diaphragm: chest
C. chest: abdominal
D. chest; pelvic