The mystery of a pyramid structure that was found under the sea off the coast of the Azores Islands in 2013 is still puzzling experts who are not certain whether it is human-made. Diocleciano Silva ...

Human excretory system-structure and fuction; Urine formation, Osmoregulation; Regulation of kidney function-Renin-angiotensin, Atrial Natriuretic Factor, ADH and Diabetes insipidus; Role of other ...