system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Sympathetic stimulation causes all except
assistant
The correct answer is  Erection is due tovasodilatation which is a parasympathetic activity Ref: guyton and hall textbook of medical physiology 12 edition page number: 651,652,653