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__________ are needed in the diet as components of teeth and bone, as parts of certain enzymes, for normal muscle and nerve function, and for water balance.
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39. Digestive System
Digestion
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Which of the following statements is true?
A
The last stage of food processing is absorption.
B
Ingestion breaks down food into molecules small enough for the body to absorb.
C
Absorption breaks bonds using enzymatic hydrolysis.
D
Undigested materials pass out of the alimentary canal by absorption.
E
Ingestion is the act of eating.
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Begin by understanding the stages of food processing: ingestion, digestion, absorption, and elimination.
Ingestion is the first stage, where food is taken into the body. It involves eating or consuming food.
Digestion follows ingestion and involves breaking down food into smaller molecules. This process includes mechanical and chemical digestion, where enzymes play a crucial role.
Absorption is the stage where the digested nutrients are absorbed into the bloodstream from the digestive tract.
Elimination is the final stage, where undigested materials are expelled from the body. This is not absorption, but rather the removal of waste.
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