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The Endocrine System

The Endocrine System. Brought to you by Fat Free Sour Cream and Fat Free Ranch Dressing. The Endocrine System. Endocrine System Is a group of specialized organs and body tissues that produce, store, and secrete chemical substances known as hormones. Hormones are the body’s chemical messengers

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The Endocrine System

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  1. The Endocrine System Brought to you by Fat Free Sour Cream and Fat Free Ranch Dressing

  2. The Endocrine System • Endocrine System • Is a group of specialized organs and body tissues that produce, store, and secrete chemical substances known as hormones. • Hormones are the body’s chemical messengers • Regulates body’s growth and development Play Endocrine Video

  3. The Endocrine System • Controls functions of various tissues • Supports pregnancy and other reproductive functions • Regulates metabolism • Hormones are released directly into the bloodstream Play Endocrine Summary

  4. Components of the Endocrine System • Hypothalamus • Pituitary Gland • Thyroid • Parathyroid • Adrenal Gland • Pineal Body • Ovary • Testis • Pancreas

  5. Hypothalamus • Located deep in the brain • Controls the pituitary gland • Coordinates the endocrine system • Bridges the gap between the nervous system and the endocrine system Play Hypothalamus Video

  6. Pituitary Gland • Located in a bony cavity just below the base of the brain • Body’s master gland • Secretes several hormones that regulate the function of other endocrine glands • Regulates the body’s growth • Stimulates milk production in women who are breast feeding • Also secretes endorphins which are chemicals that act on the nervous system to reduce pain Play Pituitary Video

  7. Thyroid Gland • Located in the neck • Regulates growth and metabolism • Plays a crucial role in brain development in children Play Thyroid Video

  8. Parathyroid Glands • Four small glands located at the four corners of the thyroid gland • Regulates the level of calcium in the blood Play Parathyroid Video

  9. Adrenal Glands • Located on top of the kidneys • Regulate salt and water balance in the body • Prepares the body for stress • Regulate metabolism • Interacts with the immune system • Produces adrenaline • Increases blood pressure during stress • Increases heart rate during stress • Produces the fight or flight response Play Adrenal Video

  10. Gonads • Secrete sex hormones • Reproductive component of the endocrine system Play Gonad Video

  11. Female Gonads • Female gonads are called the ovaries • Located in the pelvis • Produce female sex hormones • Estrogen • Progesterone • Controls development of sexual organs • Stimulate the appearance of secondary sex characteristics • Regulate menstruation and pregnancy Play Gonad II Video

  12. Male Gonads • Male gonads are called the testes • Located in the scrotum • Produce male sex hormones and sperm • Testosterone • Controls development of sexual organs • Stimulate male secondary sex characteristics • Stimulate muscle growth

  13. Pancreas • Located in the upper abdomen just under the stomach • Secretes digestive enzymes into the digestive system • Produces insulin • Regulates energy and metabolism Play Pancreas Video

  14. Pineal Body • Located in the middle of the brain • Regulates the wake/sleep cycle

  15. How the Endocrine System Works • Hormones are secreted directly into the blood stream • Receptors in the target area bind with the hormones and produce chemical changes in response to the body’s needs Play Hormone Video

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