1.Open circulatory system– it is simpler and has open-ended vessels that help with blood flow. 2.Closed circulatory system- this is a sophisticated system made up of several types of vessels that are all connected and through which blood flows. Blood circulation types : Single Circulation –T...
amissed out on each other null[translate] a洋子 洋子[translate] ahet mr is mrs gao hong het 先生 是高・洪夫人[translate] a2.4.1.1 schematic diagram of packing box is shown in appendix4. 包装盒2.4.1.1概要图在appendix4显示。[translate]...