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Practice Question

The diffusion of nutrients through the walls of the digestive system is critical to homeostasis in the body. Where does the majority of this diffusion take place in the digestive system?

Answer Choices:

Correct Answer:

Small intestine

Rationale:

🦠The small intestine contains villi and microvilli, which increase surface area for absorption.

🧪It is lined with specialized epithelial cells that facilitate nutrient diffusion into the bloodstream.

🔁Most of the chemical digestion is completed here, allowing maximum nutrient absorption.

🫀This process is essential for maintaining homeostasis, as it delivers nutrients for cellular function.

📌Core Message

The small intestine is the primary site of nutrient absorption, thanks to its large surface area and specialized cells.

Want to practice more questions like this?

This question is from SCIENCE 2024 Exam-1 which contains 50 questions.

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An intracellular chemical signal can be produced in the cell membrane. Once it is produced, where does it go?

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A. To a different cell
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D. To an area with a high ion concentration
From Exam
SCIENCE 2024 Exam-1

50 Questions

View Full Exam Start Practicing
Question Details
  • Category: ATI TEAS
  • Subcategory: SCIENCE
  • Domain: SCIENCE 2024
  • Answer Choices: 4
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