News by Levels · Level 1 · Student worksheet

Treatment Helps Damaged Mouse Hearts

In this lesson: Identify the experimental subjects and the measured change.

Name: __________________________ Date: __________________

Read the story

Scientists tested a treatment after heart attacks in mice. Cambridge reported on November 9 that treated hearts pumped about 10% more blood per beat than those given a mock treatment.

The treatment helped damaged heart muscle repair. More animal tests and human trials are still needed.

Source: University of Cambridge, 2026-11-09. https://www.cam.ac.uk/stories/treatment-promotes-repair-after-heart-attack

Read and practise

1. Which animals received the treatment?

   1. Rabbits
   2. Mice
   3. Rats

2. What increased by about 10%?

   1. Blood pumped per beat
   2. The number of human patients
   3. The length of the trial

Your turn

Describe the result and one next step.

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Read online: https://newsbylevels.com/news/mouse-heart-repair-mrna-study-november-2026/level-1/