Explаin whаt hаppens tо the CO2 that mоves оut of the tissues into the blood in internal respiration: a. How is CO2 transported? List the THREE ways (2 pts each, 6 pts total) b. What is the effect of increased CO2 on the pH in tissues? (2 pts) c. How do changes in pH affect the affinity of hemoglobin for oxygen? (2 pts)