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The Endocrine System definitions

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  • Endocrine System
    Network of glands that secrete chemicals into the bloodstream, influencing body regulation with slower, longer-lasting effects than neural signals.
  • Pituitary Gland
    Brain-based structure often called the master gland, coordinating and controlling hormone release from other glands.
  • Thyroid Gland
    Throat-located gland crucial for managing energy levels and metabolic rate, impacting weight and vitality.
  • Pancreas
    Organ beneath the liver responsible for maintaining blood sugar balance, essential for both health and cognitive function.
  • Adrenal Glands
    Kidney-top structures that secrete stress-related chemicals, vital for immediate survival responses.
  • Ovaries
    Female reproductive organs producing hormones that regulate reproductive cycles and influence behavior.
  • Testes
    Male reproductive organs generating hormones that affect reproductive function and general health.
  • Hormones
    Bloodstream-traveling chemicals that transmit regulatory signals, affecting organs and behavior over extended periods.
  • Cortisol
    Adrenal-derived chemical involved in managing stress and modulating the body's response to threats.
  • Adrenaline
    Substance released during emergencies, preparing the body for rapid action in threatening situations.
  • Metabolism
    Set of processes regulated by the thyroid, determining energy use and influencing weight changes.
  • Blood Sugar
    Level of glucose in circulation, tightly regulated by the pancreas to support brain and body function.
  • Sex Hormones
    Chemicals from reproductive organs that shape reproductive abilities, health, and aspects of behavior.
  • Fight or Flight Response
    Physiological reaction triggered by adrenal chemicals, enabling rapid adaptation to danger.