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Level A1 – BeginnerCEFR A1
2 min
81 words
- Scientists study how the gut defends the body every day.
- The gut meets different food and microbes each day.
- The immune system in the gut makes special antibodies.
- These antibodies are called IgA and sit on the lining.
- IgA forms a sticky barrier that traps germs.
- Researchers found two different ways to make IgA in the gut.
- Both ways make IgA that looks very similar.
- This backup helps keep the gut safe from infections.
- Scientists will study why both ways happen.
Difficult words
- scientist — A person who studies nature and experimentsScientists
- microbe — A very small living thing you cannot seemicrobes
- immune system — Body parts that fight germs and illness
- antibody — A protein the body makes to fight germsantibodies
- lining — The inner surface of an organ or tube
- barrier — Something that blocks or stops things moving
- infection — When germs make a part of the body sickinfections
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Do you eat different foods each day?
- Have you ever had a gut infection?
- Do you want to learn why the body makes antibodies?
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