<prompt> Umbuzo uthi: I - Arthur Guytons Textbook of Medical Physiology ithi inani lamanzi kumuntu wesisindo esivamile amakhilogremu angu - 70 cishe lingamalitha angu - 40, elilingana namaphesenti angu - 57 esisindo somzimba wakhe wonke.? Isihloko sithi Amanzi Omzimba.  <response>: Iliphi iphesenti lomzimba womuntu eliwamanzi? 