Which of the following is not a function of the skeleton? A. Storage of calcium and phosphate ions B. Storage of red blood cells C. Providing support for most muscles D. Protecting the brain E. Protecting the spinal cord Solution B. Storage of red blood cells ... FACT BASED QUESTION ALL OTHERS ARE FUNCTION OF SKELTON....bones store calcium....and provide support skelton... cranium protects the brain and vertebral column protects the spinal cord .... Hope it helps ... Regards.