Practice Digestion and Absorption - 6.1 | Human Physiology | IB 12 Biology
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Digestion and Absorption

6.1 - Digestion and Absorption

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What begins the mechanical digestion process?

💡 Hint: Think about the first action we take with food.

Question 2 Easy

What enzyme breaks down starch?

💡 Hint: Remember the name of the enzyme in saliva.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of mechanical digestion?

To absorb nutrients
To break down food into smaller pieces
To detoxify substances

💡 Hint: Think about what happens in the mouth.

Question 2

True or False: The hepatic portal vein carries nutrients directly to the heart.

True
False

💡 Hint: Remember the pathway nutrients take after absorption.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a plate of food that contains proteins, fats, and carbohydrates, outline the journey of this food from ingestion to absorption, mentioning the enzymes involved.

💡 Hint: Think of each step of digestion as a relay race where the baton is passed from one enzyme to another.

Challenge 2 Hard

Analyze the implications of impaired absorption in the small intestine on overall health. What effects can it have on nutrient levels?

💡 Hint: Consider what could happen if your body doesn’t get the nutrients it needs.

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