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: Medicine
[{'content': 'Which is NOT a function of muscles? \nSelect and explain. \nA. Cause movement, B. Produce heat, C. Absorb nutrients, D. Maintain posture', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Option C:\xa0This is a function of the digestive system. Transport of digested end products from the lumen of the GI tract to the blood or lymph\xa0is absorption, and for absorption to happen, the digested foods must first enter the mucosal cells by active or passive transport processes.\nOptions A, B, and D:\xa0These are functions of the muscular system.', 'role': 'assistant'}]