Solution:
Animals’ red muscle fibres can operate for longer periods of time because they contain myoglobin, an oxygen-transporting pigment. Because it is connected to the oxygen molecule, it is stored as oxymyoglobin.
Solution:
Animals’ red muscle fibres can operate for longer periods of time because they contain myoglobin, an oxygen-transporting pigment. Because it is connected to the oxygen molecule, it is stored as oxymyoglobin.