Says Shells ​ — Treasures of the Sea: “The mollusk carries [calcium carbonate] in its dissolved form through its blood and secretes it through tube - like pores in the mantle,... along the growing edge of the shell. ”
Shells ​ — Treasures of the Sea mengatakan, ” Moluska mengangkut [kalsium karbonat] dalam bentuk terlarut melalui darahnya dan mengeluarkannya melalui pori - pori yang menyerupai tabung dalam mantel tersebut,... di sepanjang pinggiran cangkang yang bertumbuh. ”