Practice Key Processes (6.1.2) - Human Physiology - IB 12 Biology
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Key Processes

Practice - Key Processes

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Practice Questions

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Question 1 Easy

What is the purpose of mechanical digestion?

💡 Hint: Think about what happens when you chew your food.

Question 2 Easy

What does salivary amylase begin to break down?

💡 Hint: It starts the digestion process in the mouth.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What begins the chemical digestion of carbohydrates?

Lipase
Salivary Amylase
Pepsin

💡 Hint: Think about where carbohydrate digestion begins.

Question 2

True or False: Villi and microvilli increase the absorptive surface area of the small intestine.

True
False

💡 Hint: Reflect on the role of these structures.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how the structure of the small intestine facilitates its function in nutrient absorption.

💡 Hint: Consider how increasing surface area might affect absorption.

Challenge 2 Hard

Design an experiment to demonstrate the effect of bile on fat digestion.

💡 Hint: Think about the differences in how each sample looks after the process.

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