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: Physiology
J-receptors which are responsible for rapid shallow breathing are located in 
Select and explain. 
A. Thoracic cage and lung, B. Carotid artery, C. Alveoli-capillary junction, D. Respiratory muscles
C: Alveoli-capillary junction
Answer: C: Alveoli-capillary junction 
Explanation: Juxtacapillary receptors are located at alveoli- capillary junction.