BIOL125 - The heart and CV 0.0 / 5 ? BiologyPhysiologyUniversityNone Created by: KatherineCreated on: 19-05-16 14:13 572834619 Across 1. What antigen will people with blood type A have on the surface of their red cells? (3, 1, 7) 5. Heart contraction is driven by the... (2, 4) 6. When one set of valves is closed, what is the other one? (4) 8. How do you calculate the pulse pressure? (2, 2) 9. How is cardiac output determined? (2, 2, 1, 2) Down 2. White blood cells are components of what? (2, 3, 6, 6) 3. Stretching of muscle fibres does what to contraction force? (2, 8, 2) 4. The heart generates these signals on a periodic basis due to its own .... (14) 7. What are the blood groups? (1, 1, 2, 3, 1) 8. What is the internodal pathway? (2, 2, 4)
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