Biology Study Guide
Human Body Systems
Endocrine System
Pituitary Gland
Anterior Lobe
Growth Howmone
Stimulates growth and metabolism
Prolactin
Stimulates milk production
Follicle-Stimulating Hormone
Stimulates egg and sperm levels
Luteinizing Hormone
Stimulates ovaries and the testes
Thyroid Stimulating Hormone
Stimulates thyroid gland
Adenocorticotropic Hormone
Stimulates adrenal cortex
Posterior Lobe
Oxytocin
Stimulates uterine contractions and mammary gland cells
Antidiuretic Hormone
Stimulates kidneys to reabsorb water
Thymus
Thymosin
Stimulates T cell development (immune system)
Pancreas
Insulin
Lowers blood glucose levels
Glucagon
Raises blood glucose levels
Pineal Gland
Melatonin
Involved in day/night cycles
Hypothalmus
Releasing Hormones
Trigger the anterior pituitary to secrete hormones
Thyroid Gland
Thyroxine
Stimulates and maintains metabolic processes
Calcitonin
Lowers blood calcium levels
Parathyroid Glands
Parathyroid Hormone
Raises blood calcium levels
Adrenal Glands
Adrenal Medulla
Epinephrine and Noreepinephrine
Increase blood glucose; increase metabolic activities; constrict certain blood vessels
Adrenal Cortex
Corticosteroids
Promotes glucose synthesis, reduce inflammation, increase blood glucose
Gonads
Testes
Testosterone
Supports sperm formation and male secondary sex characteristsics
Ovaries
Estrogen
Stimulates uterine lining growth and development of female secondary sex characteristics
Progesterone
Promotes uterine lining growth