Name: ___________________________
Date: ___________________
Pathway of a Sandwich
Directions: Remember the sandwich you drew for the Do Now? You know the one
with Bread (Starch), Meat (Proteins) and Mayonnaise (lipids)? Now it’s time to
describe the path of that sandwich and its various parts through the digestive
system. You will describe to me the various stages of food as it gets digested. Be
sure to reference all of the terms listed below in their appropriate locations.
Please read over all of the terms before you start writing. Note that a word that
has (2X) next to it means that you will use that term twice and a term that has
(3X) next to it means that you will use that term three times.
Parts of the body you must use:
1. Mouth
2. Esophagus
3. Epiglottis
4. Stomach
5. Small Intestine
6. Villi
7. Pancreas
8. Liver
9. Gall Bladder
10.Large Intestine
11.Rectum
Processes you must use:
1.
2.
3.
4.
5.
6.
Mechanical Digestion (2X)
Chemical Digestion (2X)
Peristalsis
Absorption (2X)
Ingestion
Egestion
Enzymes you must use:
1. Amylase (Saliva)
2. Pepsin
3. Bile
Nutrients:
1.
2.
3.
4.
5.
Starch
Carbohydrates
Lipids/Fats (2X)
Proteins
Water
Various states of food you must use:
1. Food
2. Bolus
3. Chyme
Miscellaneous:
1. Food does not pass through
(3X)