This jumping to our children’s defence is part of what fuels the “walking on eggshells” feeling that surrounds。分析：本句为复合句，主干为jumping to。what引导的宾语从句。

He believes most diseases that commonly affect men could be addressed by preventive check-ups。分析：本句为复合句，主干为He believescould be addressed，that引导的定语从句。

Todd Park，a local detective，said the method has helped him learn more about an unidentified。分析：本句为复合句，主干为Todd Park said。a local为Todd Park的同位语。