Biology Unit 1 5.0 / 5 based on 1 rating ? BiologyASAQA Created by: JenCreated on: 06-01-13 16:39 2341 Across 1. Name the 3 types of pathogen that there are (8, 5, 5) Down 2. What is the only artery in the body that carries deoxygenated blood? (9, 6) 3. What are the tendons that connect the valves to the muscles? (7, 8) 4. What are polypeptide chain held together by? (7, 5)
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