Learning objective
Describe the stomach as a non-specific defence system against pathogens.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
5
Flashcards
7
Questions
Topic
Communicable diseases
Subtopic
Human defence systems
Study support
Understand this objective
Short explanation
Communicable diseases uses this objective to connect Human defence systems with exam questions, flashcards, and worked explanations. Approved keywords include defence. stomach is useful here because an organ that acts as a non-specific defence system against pathogens by producing acid to kill harmful microorganisms. Avoid students often think the stomach only digests food and do not recognize its role in defending against pathogens; instead emphasize that the stomach produces hydrochloric acid, which kills many pathogens that enter the body with food. Use memorize the role of the stomach in the human defence system, focusing on how its acidic environment helps kill pathogens. Link your answer to Human defence systems in Communicable diseases, and keep the biology specific to defence. Link your answer to Human defence systems in Communicable diseases, and keep the biology specific to defence. This understanding is crucial for explaining how the stomach acts as a barrier to infection, which is a key part of the learning objective. This keeps revision aligned with the approved learning objective on describe the stomach as a non-specific defence system against pathogens. This keeps revision aligned with the approved learning objective on describe the stomach as a non-specific defence system against pathogens.
Key concepts
Why it matters
This objective helps connect Human defence systems to exam-style questions, flashcards, and revision notes for Communicable diseases.
Common mistakes
1 linked- Misunderstanding Stomach Function: Emphasize that the stomach produces hydrochloric acid, which kills many pathogens that enter the body with food.
Revision tools
Choose how to practise
Flashcards5 linked cards
Flashcard 1 of 5
Practice Questions7 linked questions
Question 1 of 7
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Define pathogens as microorganisms that cause infectious disease.
Communicable (infectious) diseases
- State that pathogens may be viruses, bacteria, protists or fungi.
Communicable (infectious) diseases
- Explain that pathogens may infect plants or animals.
Communicable (infectious) diseases
- Explain that pathogens can spread by direct contact, by water or by air.
Communicable (infectious) diseases
- Explain how diseases caused by viruses, bacteria, protists and fungi are spread in animals and plants.
Communicable (infectious) diseases
