Animal physiology respiration and circulation 0.0 / 5 ? BiologyRespiration and exerciseIGCSEEdexcel Created by: Carlos52004Created on: 30-04-14 17:32 these are warm, clean and add moisture to the air nasal passages 1 of 20 tiny air sacs adapted for gaseous exchange alveoli 2 of 20 stops food getting into lungs when you swallow epiglottis 3 of 20 alveoli have a large surface area, a rich blood supply and short diffusion distances 4 of 20 tobacco destroys ... so dirt and bacteria cannot be removed cilia 5 of 20 carbon monoxide binds to haemoglobin 6 of 20 these have thick muscular walls arteries 7 of 20 these have walls that are very thin capillaries 8 of 20 when chambers of the heart contract and force the blood out into the arteries, this is called systole 9 of 20 When the heart relaxes and fills, it is in diastole 10 of 20 humans have a double circulation 11 of 20 these are cells fragments which help you clot the blood platelets 12 of 20 you can be given artificial immunity to a disease by vaccination 13 of 20 substances move by ... between the blood and the cells through the tissue fluid diffusion 14 of 20 when there is inhalation external intercostal muscles contract 15 of 20 when there is exhalation, internal intercostal muscles contract 16 of 20 tar and other chemicals cause cells to mutate 17 of 20 ...brings deoxygenated blood into the heart vena cava 18 of 20 ...carries oxygenated blood around the body aorta 19 of 20 ...takes deoxygenated blood to the lungs pulmonary artery 20 of 20
CIE IGCSE Biology (Definitions) - based on 2015 syllabus 5.0 / 5 based on 1 rating Teacher recommended
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