A person’s pulmonary and systemic circuits remain separate. Which change would most directly increase the risk of damage to lung capillaries?
The left ventricle produces less pressure in the aorta.
The left atrium receives blood at a lower pressure.
The right ventricle produces much greater pumping pressure.
The right atrium receives blood at a lower pressure.
42 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.