Digestion in the Stomach by Howard F. Loomis Jr., D.C. Digestion begins in the mouth. When you chew your food it is mixed with saliva, which not only supplies moisture but also the carbohydrate-digesting enzyme, amylase. When you eat raw food, its enzymes work with the salivary amylase to begin digestion.
The U.S. Owes China $1.2 Trillion. China holds about $1.2 trillion in U.S. government debt, according to the Treasury Department's latest figures. That's about 30 percent higher than the previous estimate. This is part of those global imbalances we keep talking about.
The US owes a total of around 18.4 Trillion US$ Dollars. The Rest of the World owes around 15.3 Trillion US$ to the US. Who owes what to whom varies. The graphics on this 2011 BBC story (below) explain who owes what to whom, the figures are 4 years out of date, but you'll get the idea!