ESS 3 Lecture Notes - Lecture 12: Digestion, Hemoglobin, Fluid Balance

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In the us, most of us eat more than enough protein to meet our needs. Essential nutrients that must be supplied through the diet. Needed in large amounts compared to the micronutrients (vitamins and minerals) With the exception of water, supply energy (calories) Protein, carbohydrates, and fats are composed of carbon, hydrogen, and oxygen. Rda is 0. 8 g/kg of body weight for adults. Body weight divided by 2. 2 converts body weight from pounds to kilograms. Transporters: substances moved in/out of cells and carried in blood w/ protein transporter. Hormones/regulation: protein hormones regulate majority of processes in our body; allows the body to sense and react to various stimuli. Structure/movement: proteins provide critical structural components of the body. Acid-base balance: proteins buffer body fluids to aid in maintaining a proper ph. Fluid balance: proteins regulate the distribution of fluids throughout various compartments of the body. Protein has many critical roles in the body.

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