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Lining of Small Intestine Maltase Sucrase Peptidase

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Presentation on theme: "Lining of Small Intestine Maltase Sucrase Peptidase"— Presentation transcript:

1 Lining of Small Intestine Maltase Sucrase Peptidase
Enzymes Used in Digestion Enzyme Site of Action Site of Production Nutrient Digested Amylase Mouth Salivary Glands Carbohydrate Pepsin Stomach Lining of Stomach Protein Lipase Small Intestine Pancreas Fat Trypsin Lactase Lining of Small Intestine Maltase Sucrase Peptidase

2 Law of Conservation of Matter
Matter can be neither created nor destroyed Atoms that you consume in food must be accounted for within your biological system 1. they are used in molecules that make up your body 2. they are excreted

3 Law of Conservation of Matter
Atomsin = Atomsbody + Atomsout ATOMS ARE NEVER DESTROYED IN YOUR BODY! When we use food, we don’t destroy the atoms in the food, they are simply rearranged into new molecules (lipids, amino acids, water, carbon dioxide, etc.) Energy is released in this process (by breaking the bonds between the elements) which is the energy your body uses or releases as heat – no atoms are converted into energy

4 What about losing weight?
Where do the atoms go that you lose when losing weight? They are NOT destroyed! The fat is “burned” through metabolism (the fat reacts with oxygen and produces water & carbon dioxide). If you count all the atoms that you lose from your body, it’s the same number of atoms you excreted through your excretory & respiratory systems

5 Law of Conservation of Mass
The mass doesn’t disappear – it is simply transferred from one place (you) to another (the environment) in a different form Example: Burning candle

6 Chemical Reactions Reactants Product
Chemical Reaction – process that changes one set of chemicals into another set of chemicals Reactants – elements or compounds that enter into a chemical reaction Products – elements or compounds produced by a chemical reaction Example: 2H O2  H2O Reactants Product

7 Chemical Reactions Chemical reactions always involve:
The breaking of bonds in reactants Formation of new bonds in products Energy is released or absorbed whenever chemical bonds form or are broken


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