A blood sample contains normal numbers of phagocytes, lymphocytes and platelets. A drug prevents lymphocytes from releasing antibodies but does not affect the other components.
Which pair of processes can still occur normally?
specific antibody production and pathogen engulfment
pathogen engulfment and clot formation
clot formation and specific antibody production
specific antibody production and oxygen transport
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.