Digestion starts in the mouth with the salivary amylase. This enzyme breaks down starches like potatoes to release energy. The salivary amylase is an example of and the starch is an example of . *

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .