A person s urine and blood plasma samples are analyzed for the concentration of several substances. Then answer the questions below. In general terms, explain the experimental reasoning that underlies your answer to that person. The great tennis player, Bjorn Borg, reported a resting heart rate of 36 beats per minute. Some people, when exposed to high altitude, show a pathological respiratory rhythm called the Cheyne-Stokes rhythm.
Respiratory rate fluctuates periodically as shown in the graph below.
Think about the factors that control respiratory rate and speculate on the mechanism that produces this strange rhythm.