This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The following channal is responsible for release of calcium \nSelect and explain. \nA. Ryanodin receptor, B. SERCA, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ryanodine receptor is responsible for release of calcium SERCA helps in uptake and storage of calcium in sarcoplasmic reticulum Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 86,87', 'role': 'assistant'}]