Function What is the function of leptin? Leptin’s main function is to help your body maintain its weight. Leptin regulates the long-term balance between your body’s food intake and energy use. Leptin helps prevent hunger. It manages your energy balance so your body doesn’t trigger a hunger response when it doesn’t need energy (calories). Erythropoietin is a big word. What does it do? Here’s what you should know about this hormone, including how it affects your red blood cell levels. Norepinephrine, also known as noradrenaline, is both a neurotransmitter and a hormone. Norepinephrine plays an important role in your body’s fight-or-flight response. Function What is the function of the endocrine system? The main function of your endocrine system is to release hormones into your blood while continuously monitoring the levels. Hormones deliver their messages by locking into the cells they target so they can relay the message. Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles and other tissues. Your hypothalamus is an almond-sized structure deep in your brain. Its main job is to makes sure that your body is kept in a balanced, stable state called homeostasis. The thymus is a small gland in the lymphatic system. It makes special white blood cells that help your immune system fight disease and infection. But it’s an essential hormone that impacts several aspects of your body. Many stress-relieving strategies can help manage your cortisol levels. But in some cases, having abnormally high or low levels of cortisol is out of your control. If you experience symptoms of high or low cortisol levels, it’s important to see your healthcare provider. Sexual function and reproduction Sleep Endocrine glands release hormones, like your thyroid and pituitary gland. Certain organs in your body also release hormones, like your pancreas and ovaries. What do endocrinologists do? Endocrinologists diagnose and provide treatment plans for endocrine conditions. Some of the roles of an endocrinologist. What is the pineal gland? Your pineal gland, also called the pineal body or epiphysis cerebri, is a tiny gland in your brain that’s located beneath the back part of the corpus callosum. It’s a part of your endocrine system and secretes the hormone melatonin. Your pineal gland’s main job is to help control the circadian cycle of sleep and wakefulness by secreting melatonin.