Uvod v endokrini sistem
Viri slik:https://www.merckmanuals.com/home/hormonal-and-metabolic-disorders/biology-of-the-endocrine-system/endocrine-glands?query=endocrine%20glands (zakriti napisi)https://www.hormone.org/-/media/hormone/images/hero/hero_endocrinesystem1.jpg?la=en&h=450&w=900&mw=900&hash=A3972B5258C25D743986A8D1DBAB5EB7