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13 questions from this quiz
Plasma, red cells, white cells, platelets
Oxygen molecules
Carry oxygen from lungs to body cells
To provide a large surface area
To allow more room to carry oxygen
Oxyhaemoglobin
Part of immune system against pathogens
Microorganisms that can produce disease
White blood cells
Clump microorganisms together
Phagocytes
Neutralise toxins from microorganisms
Help blood clot at wound sites
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