Practice Small Intestine Structure (6.1.3) - Human Physiology - IB 12 Biology
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Small Intestine Structure

Practice - Small Intestine Structure

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Practice Questions

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Question 1 Easy

What structures increase the surface area in the small intestine?

💡 Hint: Think about the tiny projections that help absorb nutrients.

Question 2 Easy

What is the function of the hepatic portal vein?

💡 Hint: Consider the route nutrients take after absorption.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What increases the surface area for nutrient absorption in the small intestine?

Villi
Microvilli
Both Villi and Microvilli

💡 Hint: Look for the answer that includes both structures.

Question 2

True or False: Active transport requires energy.

True
False

💡 Hint: Consider whether energy is involved.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a scenario where a person has a defective small intestine that does not absorb nutrients properly. Discuss the physiological consequences and potential health issues that may arise from this condition.

💡 Hint: Think about the role of nutrients in bodily functions.

Challenge 2 Hard

How would the absorption of nutrients change if the small intestine were lined with flat cells instead of villi and microvilli? Discuss the potential impact on overall health.

💡 Hint: Consider how surface area impacts absorption rates.

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