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The Journey of a BLT

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by

Becket and Michelle

on 2 October 2014

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Transcript of The Journey of a BLT

Proteins
Lipids
Starch
Mayo
Most mayo is made with eggs, which are a source of protein
Bacon
Bacon is an animal product, so it is a high source of protein.
Carbohydrates
Digested in the
small intestine
Absorbed by the
small intestine
#1 source of energy for all living things (excess stored as fat)
Sometimes used for structures in some organisms (bacteria and plant cells)
Cellulose
Cellulose is what helps give plants their structure, but it cannot be easily digested by humans. It becomes waste that exits through the
rectum
, cleansing the intestines on the way out.
Both mayonnaise and bacon are high in fat, therefore, they are a source of lipids.
Digested in the
stomach
Absorbed in the
small intestine
Make up teeth, skin, bones, etc.
Responsible for chemical reactions in the body.
Bread is made with wheat, which is a plant high in carbs!
The Mouth
Starch and cellulose react to saliva in the mouth and begin to break down into smaller polymers (polysaccharides)
The Stomach
Proteins are broken down to monomers (amino acids) in the stomach
The Journey of a BLT
A look at its macromolecules and their path through the digestive system
Small Intestine
Starches are broken down into monomers (glucose) and absorbed
Lipids are broken down into monomers (glycerol) and absorbed
Protein monomers (amino acids) are absorbed through small intestine
Polymer: polysaccharides
Monomer: monosaccharides
Polymer: polypeptide
Monomer: amino acid
Digested in the
small intestine
Absorbed by the
small intestine
#2 source of energy for the body
Makes up membranes of fat in the body
Polymer: triglyceride
Monomer: glycerol
The Rectum
Cellulose that could not be absorbed or broken down exits the body as waste
Sources
Diagram of the Digestive System. Digital image. LabSpace. N.p., n.d. Web. 2 Oct. 2014. <http://labspace.open.ac.uk/>.
Bread. Digital image. Greggs. N.p., n.d. Web. 2 Oct. 2014. <https://www.greggs.co.uk/menu/bread/corn-topped-roll/>.
Lettuce. Digital image. The Kitchen Hotline RSS. N.p., n.d. Web. 02 Oct. 2014. <http://www.thekitchenhotline.com/>.
Tomato. Digital image. Wikipedia. N.p., n.d. Web. 02 Oct. 2014. <http://en.wikipedia.org/wiki/Tomato>.
Mayo. Digital image. Addicted to Saving. N.p., n.d. Web. 2 Oct. 2014. <http://www.addictedtosaving.com>.
Bacon. Digital image. TIME. N.p., n.d. Web. 2 Oct. 2014. <http://newsfeed.time.com/>.
BLT Sandwich. Digital image. NBC News. N.p., n.d. Web. 2 Oct. 2014. <http://media2.s-nbcnews.com/>.
"Sugar, Fat, Protein & Starches Used in the Human Body." Healthy Eating. N.p., n.d. Web. 2 Oct. 2014. <http://healthyeating.sfgate.com/sugar-fat-protein-starches-used-human-body-7086.html>.
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