This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Physiology
Bohr Effect is 
Select and explain. 
A. Facilitates oxygen transpo, B. Facilitates CO2 transpo, C. Facilities Chloride transpo, D. None
A: Facilitates oxygen transpo
Answer: A: Facilitates oxygen transpo 
Explanation: The Bohr effect is a physiological phenomenon first described in 1904 by the Danish physiologist Christian Bohr: hemoglobin's oxygen binding affinity is inversely related both to acidity and to the concentration of carbon dioxide. Ref: guyton and hall textbook of medical physiology 12 edition page number: 353,354,355