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  1. 7 Hormones and How They Help You Function

  2. Hormones: What They Are, Function & Types - Cleveland Clinic

  3. Hormones and the Endocrine System | Johns Hopkins Medicine

  4. What are hormones? Types and what they do - Medical News Today

  5. Hormones and Endocrine Function

  6. Endocrine System: What It Is, Function, Organs & Diseases

  7. Hormones | Endocrine Glands - MedlinePlus