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.

 There was no statistical correlation between clinical symptoms , biochemical data , and cardiac calcific alterations .
cardiac

 The endotracheal tube also enhances bacterial entry to the lung by serving as a reservoir for bacteria to remain sequestered , safe from host defenses .
lung

 In this report we assess the systolic maximal flow velocity in carotid and intracranial arteries in 191 subjects with no history of cerebral vascular disease in 3 age groups : 20 - 40 years ( 1 group ) , 41 - 60 years ( 2 group ) , and above 60 years ( 3 group ) .

cerebral