Answer:
it is lungs as the answer because you are to lazy
They act like convey belt, transporting water the both sides of the pole
<span>In infectious mononucleosis the monospot test detects heterophil antibodies.</span> <span>The mononuclear spot test or monospot test is a form of the heterophile antibody test for a rapid detection of infectious mononucleosis due to Epstein–Barr virus (EBV). The test is specific for heterophile antibodies produced by the human immune system in response to EBV infection. About 70%–80% of patients with infectious mononucleosis produce these heterophile antibodies, which are not specific for EBV infection but are good predictors.</span>