Blood sugar level In humans, glucose is the primary source of energy, and is critical for normal function, in a number of tissues, particularly the human brain which consumes approximately 60% of blood glucose in fasted, sedentary individuals. Glucose can be transported from the intestines or liver to other tissues in the body via the bloodstream. Cellular glucose uptake is primarily regulated by insulin, a hormone produced in the pancreas. Glucose levels are usually lowest in the morning, before the first meal of the day, and rise after meals for an hour or two by a few millimoles. Blood sugar levels outside the
Spreckels Organ Pavilion Spreckels Organ Pavilion Spreckels Organ Pavilion houses the open-air Spreckels Organ in Balboa Park, San Diego, California. The Spreckels Organ is the world's largest pipe organ in a fully outdoor venue. Constructed for the 1915 Panama-California Exposition, it is located at the corner of President's Way and Pan American Road East in the park. John D. Spreckels, son of sugar magnate Claus Spreckels, was one of the wealthiest residents in San Diego County. He supported the Panama-California Exposition, and during its construction, he and his brother Adolph B. Spreckels gave the organ pavilion as a gift to "the people of