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
Organ gifting follows Mauss' (1950) ideas of gift giving as a system of total services (production, distribution, and consumption) where self-interest interacts with social and moral obligations that are collectively imposed to maintain social relationships and guarantee the reproduction of society. Titmuss' work was very influential at a policy level. It motivated the Nixon administration in the U.S. to reform its system of blood donation and led many people in the U.K. to oppose models of marketable blood donation systems. This concept has been incorporated into the phrase "the gift of life" which was used to refer to multiple forms of organ,