Multiple Choice
Which statement about diet and diabetes is true?
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23. The Digestive System
Introduction to the Digestive System
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Which of the following is an advantage of a complete digestive system?
A
It requires fewer enzymes for digestion.
B
It reduces the need for specialized digestive organs.
C
It limits the absorption of nutrients to specific regions.
D
It allows for the simultaneous ingestion and digestion of food.
Verified step by step guidance1
Understand the concept of a complete digestive system: A complete digestive system has two openings, a mouth and an anus, allowing for a one-way flow of food.
Consider the process of digestion: In a complete digestive system, food can be ingested while previous meals are still being digested, which increases efficiency.
Evaluate the options: A complete digestive system does not necessarily require fewer enzymes or reduce the need for specialized organs; instead, it allows for more complex processing of food.
Analyze nutrient absorption: A complete digestive system can have specialized regions for different stages of digestion and absorption, enhancing nutrient uptake.
Conclude the advantage: The primary advantage of a complete digestive system is the ability to ingest new food while still digesting previous meals, thus allowing for simultaneous ingestion and digestion.
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