In addition, the hypothalamus has a role in regulating mood, body temperature, hunger, and sleep. Based on information sent by the brain, it sends signals to the pituitary gland to release hormones. The hypothalamus is located in the brain, and connects the nervous and endocrine systems. Organs of the Endocrine System Hypothalamus Endocrine glands do not have ducts they secrete hormones directly into the bloodstream. Exocrine glands have ducts or channels which secrete chemicals such as saliva or sweat. Endocrine Glands Hypothalamus Pineal Gland Pituitary gland Thyroid Parathyroid Gland Thymus Adrenal Glands Pancreas Ovaries Testes Hormones Prolactin Oxytocin Glucagon Insulin Reproductive Hormones Epinephrine Growth Hormone Thyroid-stimulating Hormone Adrenocorticotrophic Hormone Antidiuretic Hormone Disorders of the Endocrine System Endocrine GlandsĪ gland is a group of cells that produces a substance, and releases it via a process called secretion.
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