The Endocrine System

• What is the endocrine system?

  The endocrine system is a system of glands that secrete hormones directly into the bloodstream.
• What is the primary function of hormones in the endocrine system?

  To act on specific target organs and produce effects.
• What is the role of the pituitary gland in the endocrine system?

  The pituitary gland releases a number of different hormones into the blood that act on other glands.
• How does the endocrine system differ from the nervous system?

  • Endocrine system uses hormones (chemicals)
  • Hormones are carried in the bloodstream
  • Effects of the endocrine system are slower and more long-lasting
  • Nervous system uses electrical impulses
  • Nervous system effects are fast and short-lived
• What are the key glands in the endocrine system?

  The key glands include the pancreas, ovaries, testes, thyroid gland, adrenal glands, and pituitary gland.
• What hormones do the pancreas regulate?

  Hormones that control blood glucose concentration.
• What hormones do the ovaries and testes release?

  Hormones involved in puberty and reproduction.
• What is the function of hormones produced by the thyroid gland?

  To regulate growth and the body's basal metabolic rate.
• What hormone do the adrenal glands release and when?

  Adrenaline during fear or stress.
• What is the significance of the pituitary gland being referred to as the "master gland"?

  • Releases hormones that act on other glands
  • Triggers the release of other hormones
  • Regulates various bodily functions through hormone signaling