How Nutrients Get in, and Wastes Out. In a human being, nutrients are necessary for survival. But how are these nutrients obtained? This report will go into depth on how the food we eat gets into our cells, and how the waste products that we produce get out of the body. Also, the unicellular organism Paramecium will be compared with a human being, in terms of all of the above factors. Dietary Nutrients The chief nutrients in a diet are classified chemically in four groups: carbohydrates, proteins, vitamins (Which do not require digestion) and fats. Carbohydrates in the diet occour mainly in the form of starches. These are converted by the digestive process to glucose, one of the main nutrients needed for cellular respiration to occour. Starch is a large molecule, a polymer of glucose. Dextrin and maltose are intermedia....

Number Of Pages: 7

Number Of Words: 1893

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