title: [Calcium ion and biological phenomena].
mesh_terms: D002118:Calcium / Q000378:metabolism / Q000502:physiology*; D002135:Calcium-Binding Proteins / Q000378:metabolism; D002147:Calmodulin / Q000502:physiology; D006801:Humans; D009119:Muscle Contraction; D014336:Troponin / Q000502:physiology
chemical_list: D002135:Calcium-Binding Proteins; D002147:Calmodulin; D014336:Troponin; D002118:Calcium