The controversial restoration by Sir Arthur Evans of the ruins of the palace of Knossos. Greek archeologist Nikolaos Platon devised a chronology of the civilization based on excavations of Minoan palaces. He divides the civilization into the following eras:
Video: Adrenal Glands: Epinephrine, Norepinephrine & Stress Adaptation The adrenal medulla is the central portion of the adrenal gland. In this lesson, you will learn about the two hormones secreted by the adrenal medulla - epinephrine and norepinephrine - and how they help you deal with short-term stressors. Biology 105: Anatomy & Physiology / Science Courses
A hormone that is secreted by the adrenal gland in response to physical or mental stress, as from fear, and is regulated by the autonomic nervous system. The release of epinephrine causes an increase in heart rate, blood pressure, and respiratory rate. Epinephrine also raises glucose levels in the blood for use as fuel when more alertness or greater physical effort is needed.