Why does oxygen debt develop?
AMyoglobin molecules are unable to store the amount of oxygen needed to work strenuously for a minute or two.
BThe respiratory and circulatory systems are unable to supply enough oxygen to work strenuously for a minute or two.
AMyoglobin molecules are unable to store the amount of oxygen needed to work strenuously for a minute or two.
BThe respiratory and circulatory systems are unable to supply enough oxygen to work strenuously for a minute or two.