Answer:
It is widely believed that there are 100 organs; however, there is no universally standard definition of what constitutes an organ, and some tissue groups' status as one is debated. Since there is no single standard definition of what an organ is, the number of organs varies depending on how one defines an organ.
Among the words listed, all of the words are spelled correctly except for the word 'inferrence'. The correct spelling for this word should only have one letter 'r'. Deterrence, reference and utterance are all correctly spelled. Inference means 'conclusion' or 'reasoning'.
