When the diaphragm lowers during breathing __________.
A. volume in the thoracic cavity increases
B. alveolar pressure increases
C. external intercostal muscles relax
D. pleural cavity decreases in size
Answer: A
When the diaphragm lowers during breathing __________.
A. volume in the thoracic cavity increases
B. alveolar pressure increases
C. external intercostal muscles relax
D. pleural cavity decreases in size
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.