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Name: ___________________________ Date: _______________________ How Long Does It Take to Digest Your Food? Part 1: 1. Complete the chart. below Your digestive system is 887 cm long! Organ Percent of Digestive Tract Length in cm (Length = % x .01 x 887) Esophagus 3% Stomach 3.5% Small Intestine 76% Large Intestine 17% Rectum 1.5% 2. Which part of the digestive system is the longest? Why do you think it is the longest? Explain. Part 2: 3. Now calculate the time it would take for a cupcake to pass through each part of the digestive tract. It takes 27 hours for food to completely pass through your digestive tract. Organ % of Digestive Tract Time in Hours (Time = % x .01 X 27) Esophagus 1% Stomach 15% Small Intestine 18% Large Intestine 67% 4. Which part of the digestive system does “food” spend the longest amount of time? Why do you think this is?