diff --git a/education/nutrition/Digestive System.md b/education/nutrition/Digestive System.md
index abf125b..c1c81c7 100644
--- a/education/nutrition/Digestive System.md	
+++ b/education/nutrition/Digestive System.md	
@@ -27,4 +27,13 @@ There are 3 main sphincters associated with digestion:
 1. Gastroesophageal/lower esophageal/cardiac - connects the esophagus to the stomach
 2. Pyloric - connects the stomach to the duodenum (small intestine)
 3. ileocecal valve - Connects the small intestine to the large intestine
-The upper esophageal sphincter is at the top of the esophagus (not as important).
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+The upper esophageal sphincter is at the top of the esophagus (not as important).
+
+# Digestion
+**Mechanical digestion refers to the physical treatment that food undergoes** while it is in the intestinal tract
+
+Chemical digestion refers to the breakdown of large molecules in food into smaller components, primarily by the action of **enzymes**.
+- Enzymes are a protein that speeds up the rate of a chemical reaction without being altered in the process.
+- Enzymes usually end in -ase and begin with the name of whatever they are working to digest:
+	- Amylase digests amylose
+	- Maltase digests maltose
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