Which one of the following changes takes place during inspiration?
A. Decrease in thoracic cavity
B. Relaxation in diaphragm
C. Relaxation in external intercostal muscles
D. Sternum moves towards ventral and anterior direction
Answer:D
Which one of the following changes takes place during inspiration?
A. Decrease in thoracic cavity B. Relaxation in diaphragm C. Relaxation in external intercostal muscles D. Sternum moves towards ventral and anterior direction