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

  2. 7 Hormones and How They Help You Function - Cleveland Clinic …

  3. Hormones and the Endocrine System | Johns Hopkins Medicine

  4. Hormone - Wikipedia

  5. Hormone | Definition, Function, & Types | Britannica

  6. Hormones | Endocrine Glands | MedlinePlus

  7. Hormones and Endocrine Function | Endocrine Society

  8. Hormones | You and Your Hormones from the Society for …

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

  10. Endocrine System: What Is It, Functions, Organs & Conditions