Kelly is listening intently to her friend, sheri, talk about her boyfriend who is leaving for a year to serve in the army. kelly says "mmm-hmm" during the conversation to show sheri that she is listening. she is communicating using

She is communicating using Paralinguistics. Paralinguistics is the study of vocal (and sometimes non-vocal) signals beyond the basic verbal message or speech also known as vocalics. Paralinguistics are the aspects of spoken communication that do not include words.These may add emphasis or shades of meaning to what people say. 

Include at least one heading per report page