Topic 1 (Lifestyle, Health & Risk) 0.0 / 5 ? BiologyU1 T1: Lifestyle, Health & RiskASEdexcel Created by: pippsicle96Created on: 09-02-14 17:19 1026394185 Across 1. Blood travels TOWARDS the heart through _________ (5) 4. Veins contain _________ to help prevent the backflow of blood (6) 5. Walls of a blood vessel contains __________, which makes them strong and durable (8) 6. Blood travels AWAY from the heart through __________ (8) 8. Movement of molecules from an area of high concentration to an area of low concentration (9) 10. The process during which the heart fills with blood, then pumps it around the body is called the ________ ______ (7, 5) Down 2. ______________ is a disease which is caused by fatty deposits building up in the blood vessels, and can lead to CHD and strokes (15) 3. Blood containing oxygen is ___________ _______ (10, 5) 4. Small veins (7) 9. Blood vessel walls also contain ______ ______ to allow them to stretch (7, 6)
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