Due is a synonym of Expected. Expected is a synonym of Unexpected. Unexpected is a synonym of Surprising. one thing you do when you Surprising is Knock. 
Cell is related to Component. Component is related to Body. Joint is part of Body. Joint is similar to Shared. 
Due <--Synonym--> Expected <--Synonym--> Unexpected <--Synonym--> Surprising --HasSubevent--> Knock 
Cell <--RelatedTo--> Component <--RelatedTo--> Body <--PartOf-- Joint <--SimilarTo--> Shared 