The volume of the systemic circulation is about 7 times that of the pulmonarysystem.
体循环的容量约为肺循环容量的7倍。
2
Roflumilast is a phosphodiesterase-4 (PDE4) inhibitor, which has potent anti-inflammatory effects in the pulmonarysystem.
罗氟司特为磷酸二酯酶- 4 (PDE4)抑制剂,对肺部系统具有高效的抗炎活性。
3
Not for healthy people, insists Dr Pace, but those with a compromised immune system or who are at risk of pulmonary diseases—the elderly, say—may want to take precautions.