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Quiz: Introduction to Endocrine System

  1. The endocrine system acts through neurotransmitters called hormones that influence growth, development, and metabolic activities.
  2. Endocrine glands have ducts that carry their secretory product to a surface.
  3. Since the endocrine glands are scattered throughout the body, they are regarded as different systems.
  4. The specific cells that respond to a given hormone have receptor sites for that hormone.
  5. A negative feedback system causes a reversal of increases and decreases in body conditions in order to maintain a state of stability or homeostasis.
  6. Some glands have endocrine and non-endocrine regions, which function differently.
  7. Growth hormone is a protein that stimulates the growth of bones, muscles, and other organs by promoting protein synthesis. This hormone is produced by the pituitary gland.
  8. The adrenal cortex consists of two regions, with each region producing a different group or type of hormones.
  9. The gonads, the primary reproductive organs, are only responsible for secreting hormones and are considered to be endocrine glands.
  10. The heart also acts as an endocrine organ in addition to its major role of pumping blood.