This document discusses the endocrine system, including that endocrine glands secrete hormones directly into the bloodstream which then travel to target organs to regulate various bodily functions such as metabolism, growth, blood pressure, and reproduction. It lists several important hormones including growth hormone, thyroid hormones, adrenal hormones, sex hormones, insulin, glucagon, and others that work to control functions throughout the body.

2.  These are ductless glands
 They pour their secretions into the blood
 To reach target organs
 They secret hormones
 Hormones are proteins , steroids
 These hormones regulate bodily funtions
such as metabolism , growth , BP, body
temp, sexual growth and reproduction ,
fluid balane

5.  Growth hormone
 Thyroid stimulating hormone
 Adreno-corticotrophic hormone
 Follicle stimulating hormone
 Leutinizing hormone
 prolactin

11.  Anti-diuretic hormone
 oxytocin

15.  Thyroxine T4
 Tri-iodothyronine T3

16.  Hyperthyroidism
 Hypothyroidism

19.  Parathormone (pth)
 Vitamin D

23.  Insulin – beta cells
 Glucagon – alpha cells

28.  Zona glomerulosa – aldosterone
 Zona fasiculata – cortisol
 Zona reticularis – sex steroids