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T cells in tonsils differ from T cells in blood — Level A1 — Visualization of the Coronavirus

T cells in tonsils differ from T cells in bloodCEFR A1

8 Dec 2025

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Adapted from Washington U. in St. Louis, Futurity • CC BY 4.0

Photo by Fusion Medical Animation, Unsplash

Level A1 – Beginner
1 min
52 words
  • T cells help the body fight germs.
  • Scientists study T cells in the tonsils.
  • Tonsils sit near the throat.
  • Many T cells live in body tissues.
  • Only a few T cells are in blood.
  • T cells from tonsils look different.
  • These differences can change immunity.
  • Doctors should study tissue T cells too.

Difficult words

  • t cell — part of the immune system that fights germs
    T cells
  • tonsil — small body part near the throat
    Tonsils
  • tissue — body material made of many similar cells
    tissues
  • immunity — body's ability to fight disease or infection
  • germ — very small living thing that can cause illness
    germs

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you know where your tonsils are?
  • Have you ever had a sore throat?
  • Do you want doctors to study T cells in tissues?

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