11:067:330 Lecture Notes - Lecture 1: Lecithin, Starch, Lignin
14 Oct 2020
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Document Summary
Physical degradation: preparing ingestant to prepare for chemical breakdown, reducing particle size and increasing the surface area. Maceration : adding moisture by salivating and thus. Motility is found all softening things up along the digestive tract. Breaking down large particles into necessary building blocks. The act itself is called: endogenous (produced by the animal) ezymation digestion. Microbial enzymatic fermentation: for animals that are adapted for mef are able to use fibrous carbs to break down. The food is technically not in the body yet because the food hasn"t been absorbed into the bloodstream. Lumen of intestinal tract brings nutrients into the bloodstream. Hindgut fermenters are able to exist on high fiber diets. Non-herbivores do have *some* fermentation taking place. Maintenance maintaining current state, energy needed for heart to circulate blood, breathing, producing energy to maintain the body. All required nutrients are essential for metabolism to proceed. Nutrient: chemical element or compound that supports maintenance, growth, lactation, reproduction, etc.
