This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
In the lungs bronchial aeries supply: 
Select and explain. 
A. Till teiary bronchi, B. Till segmental bronchi, C. Till respiratory bronchioles, D. Till alveolar sacs
C: Till respiratory bronchioles
Answer: C: Till respiratory bronchioles 
Explanation: Bronchial aeries are branches of the descending thoracic aoa. They supply the bronchial wall as for as the respiratory bronchioles.