Background. Mammalian hibernation in thirteen-lined ground squirrels (Ictidomys tridecemlineatus) is characterized by dramatic changes on a physiological and molecular level. During hibernation. mammalian hearts show a propensity to hypertrophy due to the need for increasing contractility to pump colder and more viscous blood. https://safeersappliancers.shop/product-category/bosch-bfl634gs1b-serie-8-900-watt-microwave-built-in-brushed-steel/