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Injectable bandages that stop deep bleeding — Level A1 — text

Injectable bandages that stop deep bleedingCEFR A1

28 Feb 2026

LevelA1
A2
B1
B2

Adapted from Texas A&M University, Futurity • CC BY 4.0

Photo by Maxim Tolchinskiy, Unsplash

Level A1 – Beginner
2 min
85 words
  • Researchers make injectable bandages to stop bleeding.
  • The bandage works inside deep wounds and cavities.
  • It helps blood form a clot quickly at wounds.
  • The dressing changes to a foam in the body.
  • The materials are tiny particles from clay-like sources.
  • Designers made the particles safer and synthetic.
  • A main problem is particles washing away in blood.
  • Engineers made two ways to keep particles inside.
  • One way expands to fill and seal the wound.
  • The other way makes a tight plug to stop flow.

Difficult words

  • injectable — can be put into the body by injection
  • bandage — material used to cover and protect a wound
    bandages
  • clot — thick mass that stops bleeding
  • dressing — material placed on a wound to protect it
  • particle — very small pieces of a material
    particles
  • seal — to close something so nothing can enter

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

Discussion questions

  • Have you used a bandage before?
  • Would you like a bandage that becomes foam inside a wound?
  • Do you think tiny particles are safe in medical materials?

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