Which of the Following Statements Are True of Oxygen and Muscle

Which of the following statements are true of oxygen and muscle contraction? (Read carefully and select all of the correct statements.)

A) Myoglobin transports oxygen to muscle cells.
B) Hemoglobin transports oxygen in blood plasma.
C) When oxygen is present in contracting muscle cells, CO₂ and H₂O are formed.
D) When oxygen is not present in contracting muscle cells, lactic acid is formed.
E) Oxygen debt is the body's need for oxygen to convert lactic acid to proteins.
F) Both myoglobin and hemoglobin can bond to oxygen because they contain the mineral iron.