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

    Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles and other tissues.

  2. Hormone - Wikipedia

    Hormone producing cells are found in the endocrine glands, such as the thyroid gland, ovaries, and testes. [10] Hormonal signaling involves the following steps: [11] Biosynthesis of a …

  3. What Is a Hormone? - National Institute of General Medical …

    Jul 17, 2024 · Hormones are chemical messengers in the body that glands form and release, or secrete, into the bloodstream, where they travel to various organs and tissues to change …

  4. What are hormones? Types, functions, and imbalances

    Jun 26, 2024 · Hormones are chemical messengers that send a signal to one or more tissues or organs in the body. They are part of the endocrine system, and the study of this system is …

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

    Oct 7, 2025 · A hormone is an organic substance secreted by plants and animals that functions in the regulation of physiological activities and in maintaining homeostasis. Hormones carry out …

  6. Hormones and the Endocrine System - Johns Hopkins Medicine

    The endocrine system uses hormones to control and coordinate your body's internal metabolism (or homeostasis) energy level, reproduction, growth and development, and response to injury, …

  7. What are Hormones? - News-Medical.net

    Mar 19, 2025 · Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions.

  8. What are Hormones: Types and How do They Function?

    Hormones are a special kind of chemical messengers in the body that are created by the endocrine glands. These chemical messengers control and coordinate complex processes in …

  9. Hormones | Endocrine Glands | MedlinePlus

    Jun 28, 2025 · Hormones are your body's chemical messengers. They affect many processes including mood. Too much or too little of a certain hormone can have health implications.

  10. What is a hormone? | Discover - yourhormones.info

    Hormones are chemical messengers. They are nearly always made by endocrine glands, and they travel in the blood. Their signals can affect different organs and tissues in different ways. …