Metabolism

Internal Sea

• Low carb diet - less sugar availbility - glycogen breakdown in liver - glucose obtained from other tissues
• Liver - provides fuel for brain - metabolic hub of body
• Muscle - fueled by glucose, fatty acids and ketone bodies - large glycogen stores - do no export glucose - cannot perform urea cycle; excrete alanine to remove amonia - resting muscle used fatty acids for 85% energy needs
• Heart - aerobic - does not use glucose - fatty…