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Regarding respiration facts, which combination is correct: is lactic acid the end product of anaerobic respiration, is asthma caused by bronchial muscle spasm, and do alveoli increase surface area for gas exchange?

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1. Regarding respiration facts, which combination is correct: is lactic acid the end product of anaerobic respiration, is asthma caused by bronchial muscle spasm, and do alveoli increase surface area for gas exchange?

All three statements together

Only the asthma statement

Only the lactic-acid statement

Only the alveoli statement

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Regarding respiration facts, which combination is correct: is lactic acid the end product of anaerobic respiration, is asthma caused by bronchial muscle spasm, and do alveoli increase surface area for gas exchange?

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Beyond the answer

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