In the model that you built of the respiratory system, what structures did the straws represent?
A. The lungs
B. The chest cavity and ribs
C. The diaphragm
D. The trachea and bronchi
1 answer
D. The trachea and bronchi
A. The lungs
B. The chest cavity and ribs
C. The diaphragm
D. The trachea and bronchi
1 answer