Multiple choice The protein which maintains the muscular storage of oxygen is myosin myoglobin actomyosin None of the above Reveal answer Fill a bubble to check yourself B Correct answer Explanation Myoglobin is the oxygen-binding protein found in muscle tissue that stores oxygen for use during muscle activity. Myosin is a contractile protein, actomyosin is a complex of actin and myosin, so myoglobin is the correct answer for oxygen storage.