Nutrition and Digestion-1

Nutrition and Digestion-1 - Nutrition and Digestion All...

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Nutrition and Digestion All animals are Heterotrophs . Animals consume other organisms for nutrients. In general, animals are unable to produce their own food, with the exception of Mammals during lactation. There are several types of Animal Diets : Herbivores- ingests plant or algae; Carnivores- ingest animals that ate plants or animals that consumed animals that ate plants; Omnivores- ingest animals and plants; Four Stages of Food Processing 1. Ingestion- eating 2. Digestion- reducing food into small nutrient molecules such as sugars and amino acids; 3. Absorption- uptake of nutrients by small intestine cells lining which are transferred to the blood stream and carried throughout the body; 4. Elimination- the disposal of undigested material from the food that was ingested; Digestion Food is mechanically digested in the initial stages of digestion. During this stage food is broken into small pieces. While the food has been reduced to small pieces, chemical digestion begins. Chemical digestion is the process by which enzymes are used to further
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This note was uploaded on 05/27/2011 for the course BSC 1005 taught by Professor Abdallah during the Spring '08 term at Florida A&M.

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Nutrition and Digestion-1 - Nutrition and Digestion All...

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