Primary Checkpoint. 2026. Science (0097). March - Paper 2 - Question 3

Look at the diagram of an organ system in a horse.



**(c)** Yuri records the heart rate of five horses.

| horse | heart rate in beats per minute |
| --- | --- |
| **A** | 35 |
| **B** | 41 |
| **C** | 29 |
| **D** | 32 |
| **E** | 38 |

Calculate the mean heart rate for the five horses.

Show your working.

mean heart rate ______ beats per minute