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
Thermoregulatory response activated by cold is 
Select and explain. 
A. Cutaneous vasodilatation, B. Anorexia, C. Increased voluntary activity, D. Increased respiration
C: Increased voluntary activity
Answer: C: Increased voluntary activity 
Explanation: None