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Basic Anatomy & Physiology Concepts

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  • When is the hormone insulin released?
    Insulin is released when blood glucose levels increase.
  • Name the two major blood vessels that enter the liver.
    The hepatic portal vein and the hepatic artery enter the liver.
  • How is electric charge maintained in neurons?
    Electric charge in neurons is maintained through a gradient of ions across the cell membrane.
  • What are ligaments and tendons largely composed of?
    Ligaments and tendons are largely composed of collagen fibers.