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