QUESTION IMAGE
Question
villi play a very important role in digesting foods. what is that most important function?
to increase the surface area so more absorption can take place
to decrease the surface area to limit the amount of waste
push food along the entire digestive tract
adding enzymes and stomach juices to break foods down faster
Los vilios en el intestino delgado tienen como función principal aumentar la superficie de absorción de nutrientes. Analicemos las opciones:
- "to increase the surface area so more absorption can take place" coincide con la función real de los vilios (aumentar la superficie para facilitar la absorción).
- "to decrease the surface area..." es incorrecto, ya que los vilios incrementan, no decrementan, la superficie.
- "push food along the entire digestive tract" es función del peristaltismo, no de los vilios.
- "adding enzymes and stomach juices..." es función de glándulas (como el estómago o glándulas pancreáticas), no de los vilios.
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A. to increase the surface area so more absorption can take place