Gland - Organ that releases hormones, Capillary - Tissue: site of exchange for circulatory system, Hormone - Protein signal released into bloodstream, Target Tissue - Destination for a hormone to cause change, Positive Feedback - Accelerates or stimulates sytem, Negative Feedback - Dampens or inhibits system, Thyroid - Organ: Regulates metabolism, Pancreas - Organ: regulates blood sugar, Testes - Organ: Regulates sperm production, Ovaries - Organ: Regulates female menstrual cycle,

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