Apply your knowledge: 1. What is the main function of RBC? What protein allows the RBC to do its work? 2. How is oxygen carried to tissue? 3. How is CO2 carried out of the body? 4. The normal hematocrit for a pregnant women is 33%. A pregnant patient shows a result of 27% hematocrit count. What is the effect of this result on the patient's body? 5. The normal hemoglobin levels for a 12 year old child is 12 g/dL. A child patient'has a hemoglobin count of 9 g/dL. What is the effect of this result on the patient's body?