Indlala yegilo ingenye yezindlala ze-endocrine ezibaluleke kakhulu emzimbeni womuntu, futhi umsebenzi wegilo ubaluleke kakhulu empilweni yethu.Ukungasebenzi kahle kwegilo noma ukukhishwa kwamahomoni okungavamile kungabangela izimpawu ezingavamile ohlelweni lwezinzwa lomuntu, isimiso sokujikeleza kwegazi, isimiso sokugaya ukudla nezinye izinhlelo, futhi kungase kubeke ukuphila engozini.