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.

[Q]:  Younger siblings ' conditions were diagnosed before 1 year of age , usually before the onset of pulmonary disease .
[A]: pulmonary


[Q]:  ARDS : acute respiratory distress syndrome ; CMV : conventional mechanical ventilation ; HFOV : high - frequency oscillation ventilation ; LPS : lipopolysaccharide ; PEEP : positive end - expiratory pressure ; VILI : ventilator - induced lung injury .
[A]: lung


[Q]:  Villous cytotrophoblastic cells were isolated by sequential enzymatic digestion of chorionic villi from the first trimester , second trimester and term placenta and purified on a discontinuous percoll gradient , as described previously . 47 - 49 These cells were positively stained for cytokeratin 7 at 95 % , indicating the cytotrophoblastic origin of the cells .
[A]:
placenta