In order for inspiration to occur __________.
A. alveolar pressure must decrease
B. the thoracic cavity must decrease in size
C. external intercostal muscles must pull ribs down and in
D. external intercostal muscles must relax
Answer: A
In order for inspiration to occur __________.
A. alveolar pressure must decrease
B. the thoracic cavity must decrease in size
C. external intercostal muscles must pull ribs down and in
D. external intercostal muscles must relax
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.