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During the ingestion of peanut butter and jelly on whole wheat bread, this snack impacts chemical, hormonal and enzyme changes that create a suitable environment for digestion. In this case, the teeth break down the meal into smaller pieces. The saliva makes the bread wet thus creating a bolus which is swallowed to the stomach. Once in the stomach, the gastric juices such as mucous protect the stomach’s lining, and hydrochloric acid kills harmful bacteria. The stomach’s G-cells further release the gastrin hormone into the blood and helps in stimulating the gastric activity such as the enlargement of the stomach. The other gastric activity is the rising of the PH. This stimulates…