The cardovascular system 4.0 / 5 based on 1 rating ? Applied Scienceorgans and systemBTEC NationalAll boards Created by: KittycatloverCreated on: 06-07-19 08:40 9285310417 Across 1. Parts of the circulatory system concened with the transport of oxygen to, and carbon dioxide from, the heart of body cells. (8, 11) 3. A patch of tissue found in the right atrium that generates the elctrical activity and initiates a wave of excitation at regular intervals (10, 4) 5. Red blood cells, containing haemoglobin, that transports oxygen around the body (12) 7. The middle and thickest layer of the heart wall, cmposed of cardiac muscle (10) Down 2. White blood cells, of which are many diffrent types (10) 3. The dividing wall between the right and left sides of the heart (6) 4. A complete heartbeat from the generation of the beat to the beginning of the next beat (7, 5) 8. Two top chambers of the heart (5) 9. A large vein carrying dexygenated blood into the heart (4, 4) 10. Two bottom chambers of the heart (9)
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