During a health assessment, a person’s pulse and cardiac output are measured at the same time.
| Measurement | Value |
|---|---|
| number of pulse waves in 15 s | 27 |
| cardiac output | 5.4 dm3 min−15.4\,\mathrm{dm^3\,min^{-1}}5.4dm3min−1 |
Calculate the person’s stroke volume.
Give your answer in cm3 beat−1\mathrm{cm^3\,beat^{-1}}cm3beat−1.
67 exam-style questions on Edexcel GCSE Biology 8.2 Blood and circulation, covering 8.2.1 Structure and function of the blood, 8.2.2 Structure of blood vessels, 8.2.3 Structure of the heart and circulatory system, and 8.2.4 Cardiac output. Each one has a worked solution and a mark scheme showing where the marks go.