Practice First Line of Defense - 6.3.1 | Human Physiology | IB MYP Grade 12 Biology
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6.3.1 - First Line of Defense

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary function of skin as a barrier?

💡 Hint: Think about how it protects us.

Question 2

Easy

Name one chemical barrier in the body.

💡 Hint: What helps us digest food and protect us?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the function of the skin in the immune system?

  • To digest food
  • To block pathogen entry
  • To produce blood cells

💡 Hint: Consider its role as a protective layer.

Question 2

True or False: Lysozymes only exist in the stomach.

  • True
  • False

💡 Hint: Think about where we find saliva.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze the protective mechanisms at work when you accidentally touch something harmful. Which barriers are activated?

💡 Hint: Recall the sequence of barriers.

Question 2

Create a diagram illustrating the two main types of defenses and their components.

💡 Hint: Think of a flow chart style.

Challenge and get performance evaluation