Shell size, body mass and average pO2 in mantle cavity water of different mar...

Marine invertebrates with open circulatory system establish low and constant oxygen partial pressure (Po2) around their tissues. We hypothesized that as a first step towards...拥有开管式循环系统（open circulatory system）的海洋无脊椎动物，可在其组织周围维持低且恒定的氧分压（Po2）。我们提出如下假说，以此作为迈向……的第一步。