Myoglobin is a protein contained in the skeletal muscles and heart and has oxygen attached to it. When muscles are used for a longer period of time (for example, during exercise) they consume the available oxygen. Myoglobin provides muscles with extra oxygen so that they can keep on working. (1)Myoglobin – blood. MedlinePlus. Available here.

References   [ + ]

1. Myoglobin – blood. MedlinePlus. Available here.

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