Assertion: lung's function | /r/HasProperty | to perform gas exchange
Facets:
Source sentences:
text: The major function of the lungs is to perform gas exchange, which requires blood from the pulmonary circulation.
text: The major function of the lungs is to perform gas exchange, which requires blood from the pulmonary circulation.
text: The major function of the lungs is to perform gas exchange, which requires blood flowing through the lung tissues (the pulmonary circulation).
text: The major function of the lungs is to perform gas exchange, which requires blood from the pulmonary circulation.