Nearly all infants benefit from milk, but many adults cannot properly digest milk sugar (lactose). If an adult can easily digest milk, their body is producing sufficient amounts of which enzyme?

The digestion process initiated by amylase in saliva leads to the breakdown of carbohydrates into __________.

The process initiated by amylases in saliva leads to the breakdown of carbohydrates into ______.

Which substance is secreted by gastric glands to protect the inner lining of the stomach from the action of hydrochloric acid under normal conditions?