Science - B3 - Respiration and the Circulation 0.0 / 5 ? Applied ScienceB3 - Respiration and the CirculationGCSEOCR Created by: chlo-smallmanCreated on: 19-02-14 13:13 What is the symbol equation for AEROBIC respiration? C H O + 6O → 6CO + 6H O 1 of 6 What do RED blood cells do? Carry oxygen around the body 2 of 6 When does ANAEROBIC respiration take place? During hard exercise when there is insufficient oxygen available. 3 of 6 ANAEROBIC respiration produces LACTIC ACID, which: Builds up in muscles causing PAIN and FATIGUE. It also acts as an OXYGEN DEBT and has to be broken down in the liver after exercise. 4 of 6 the HEART - has four chambers and is part of a double circulatory system. 5 of 6 Arteries- THICK elastic walls + carry blood AWAY from the heart Veins - large LUMENS + VALVES + carry blood back to the heart. CAPPILARIES- permeable and link ARTERIES to VEINS. 6 of 6
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