The word root myelo/o refers to which of the following structures?

Please define the following medical term:  osteosarcoma 

Which of the following terms means “excessive carbon dioxide in the blood”?

Please describe the blood flow through the heart starting at the superior and inferior vena cava.  (to get credit, it must have the the blood flow in the correct order). 

Please define the following medical term:  labioglossal 

The combining form that means “hidden” is

Please match the combining form with the correct meaning.  

Please define the following medical term:  splenomegaly

Please define the following abbreviation:  CVA

Please define the following abbreviation:  CHF