Hiet (血) he ti sun-fan hi-thung ti-poi, sim-chhong lau hiet-kon khiong-nui sun-fan liu-thung ke yit-chung chu-ch?t . Hiet chu-ch?t he kiet-thi chu-ch?t (結締組織) ke yit-chung, yu hiet-chiong lau hiet-khiu chu-s??n.