Memory The Endocrine SystemVersion en ligne Review the organs of the endocrine system and their functions. par Kathy Dilliplane Pituitary Testes Thyroid Regulates calcium levels in the blood. Regulates the female reproductive system Increase heart rate during a "Fight or Flight" response Ovaries Regulates blood sugar levels Regulate the male reproductive system Adrenal Glands Pancreas The body's "Master Gland" that controls the other endocrine organs. Helps the immune system recognize and fight pathogens Pineal Gland Thymus Regulates growth and metabolism Produces melatonin to regulate sleep cycles Parathyroid Glands