1MiB, 1920x1080, j8rv8q6kihm21.png View SameGoogleiqdbSauceNAO Anonymous Tue 27 Apr 07:52:24 2021 No.13038615 ViewReplyOriginalReport Quoted By: >>13038616 >>13038632 >>13038647 >>13038673 What causes water to move through pipe systems on its own, especially in the upward direction? Things in our body move because of muscle contraction and relaxation. Does a similar thing happen with water?