<prompt> Heart failure cells are?NeutrophillsMacrophagesLymphocytesLymphocytes  <response>: Ans. is b i.e., Macrophages o Heart failure cells are Hemosiderin laden alveolar macrophages.o Heart failure cells are a manifestation of pulmonary congestion and edema as seen in heart failureo Pulmonary edema pulmonary infarction can be differentiated by the presence of heart failure cells in pulmonary edema. 