Dr. Jones performed a vitamin supplementation study. She had 6 subjects, all of which were men age 18-22. The subjects took 10 mg of vitamin B6 once a day for 10 days. At the end of the study, the subjects reported increased stamina and an average increase in muscle of 1.3 pounds. Which of the following statements is TRUE regarding this study? a. The study had a control group.
b. The study was well designed concerning the number of subjects and the duration.
c. The results are applicable to men and women.
d. Public recommendations should be made about the benefits of vitamin B6 supplementation and increased stamina and muscle mass.
e. None of the above

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.