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11. Gas exchange in humans
A section of Biology, 0610
Listing 10 of 291 questions
shows the human gas exchange system. The functions of the parts of the gas exchange system are given in Table 1.1. A B C D E F G H J K M Complete Table 1.1. One row has been done for you. Table 1.1 name letter on function larynx A structure that makes sounds bone that provides protection for the lungs airway that allows passage of air only into the right lung airway that allows passage of air into both lungs contracts to increase volume of thorax muscle that contracts to lower the ribcage site of gas exchange 1 9 The gas exchange system contains cartilage. Describe the function of cartilage in the gas exchange system. Soon after starting physical activity the concentration of carbon dioxide in the blood increases. Name the process inside cells that produces carbon dioxide. State the effect on breathing of an increase in carbon dioxide concentration in the blood. Explain how this effect on breathing is coordinated. [ 1 9
0610_s16_qp_43
THEORY
2016
Paper 4, Variant 3
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Questions Discovered
291