Sentence:  You laughed and then your chest swelled and you felt you could cry for a little bit , and then a feeling hit you like a chill in your stomach and the goose bumps rippled along your <WSD>arm</WSD> . 
Meaning of the word marked with <WSD> tags:  a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb