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
Ketone bodies not utilised by
assistant
The correct answer is  Paial oxidation of fatty acids in the liver leads to ketone body production. Ketone bodies are expoed to extrahepatic tissues, where they act as a fuel in prolonged fasting and starvation.