Gastric digestion, importance of, [30]

object of, [30]

products of, [26]

Gastric juice, action on milk, [26]

composition of, [25], [26]

functions of, [25], [27]

hydrochloric acid in, [25], [26]

influence of diet upon flow of, [25]

pepsin in, [25]

psychical stimulation of, [24]