O-LevelBiologyTransport in Humans5090/11 · May/June 2025 · Q171 Mark

What is the total number of atria and ventricles that the blood passes through during two complete circuits of the human body?

D16

✓ Correct answer

C: 8

Oracle Prep sorts past-paper questions by topic, so you can drill Transport in Humans and see which topics are most likely to come up next.

Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2025 Paper 1 Variant 1, question 17.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

In which blood vessel does the concentration of glucose vary the most?

Why is a rise in pulse rate important for an athlete during a 200 m race?

Which row shows what may cause coronary heart disease?

A diploid cell produces further cells with a haploid number of chromosomes. Which type of cell division is involved a…

Which row correctly pairs a hormone with its function in the menstrual cycle?

Genetic engineering can be used to introduce new characteristics into animals and plants. Which characteristic is not…