Which set of statements best explains the relationship between the parts of the respiratory system?
A. Respiratory tissues work together to form the lungs. The lungs produce lung cells that allow the respiratory system to function properly.
B. The lungs work together to form respiratory tissues. Respiratory tissues produce lung cells that allow the respiratory system to function properly.
C. The lung cells work together to form the lungs. The lungs produce respiratory tissues that are necessary for the respiratory system to function properly.
D. The lung cells work together to form respiratory tissues. Respiratory tissues work together to form the lungs that allow the respiratory system to function properly.