Overview of the Endocrine System The endocrine system coordinates functioning between different organs through hormones, which are chemicals released into the bloodstream from specific types of cells within endocrine (ductless) glands. Once in circulation, hormones affect function of the target tissues, which may be another endocrine gland or an end organ. Some hormones exert an…
Endocrine control of growth Human growth is a complex process starting at conception and completing in adolescence at the time of growth plate fusion. Growth can be divided into four phases: (1) fetal, where the predominant endocrine factors controlling growth are insulin and the insulin-like growth factors. (2) Infancy, where growth is mainly dependent upon…
why is my left lymph node swollen in my neck?
nervous system organ that is also in the endocrine system