How many calories does a skeleton have? Unveiling the surprising truth
                                
                                
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                                    4 min read                                
                            
                                According to a 2017 analysis of human nutritional value, the skeleton of an average adult contains over 25,000 calories from fat and protein. This astonishing figure reveals the surprising biological truth behind the question of how many calories does a skeleton have, with the energy primarily stored within its bone marrow.