In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.
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Question:  In this study , the authors found that the primary LE of the lung is associated with young age , a history of not smoking , high bcl - 2 immunoreactivity , and better survival rate .

Answer: lung


Question:  Severe oesophageal candidiasis and croup due to involvement of the larynx developed insidiously in a girl aged 20 months .

Answer: oesophageal


Question:  Heart sound and electrocardiogram recording devices for telemedicine environments .

Answer:
Heart