An individual's heart at rest circulates blood through the systemic pathway approximately 4.54.54.5 times every minute.
Calculate how many times blood will circulate through this pathway during a period of 2.52.52.5 hours.
82 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.