The Heart 4.5 / 5 based on 4 ratings ? BiologyCells, tissues and organsIGCSEAQA Created by: Freya MillettCreated on: 05-06-13 09:26 2564317 Across 1. Help the blood clot (9) 6. Tubes that carry blood around the body (5, 7) 7. Which blood group do cells have no antigens on them (5, 5, 1) Down 2. Carries oxygen around the body (3, 5, 5) 3. They prevent back flow (6) 4. A cell that is part of the bodies defence system (5, 5, 5) 5. They pump blood out of the heart (10)
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