A student was given sample of two muscles marked as 1 and 2. When he compared the muscles he found that muscle 1 contains large amount of myoglobin and utilise large amount of stored oxygen for ATP production whereas muscle 2 contains few myoglobin, mitochondria and high sarcoplasmic reticulum. Identify the correct statement regarding the muscle 1 and 2 from the option given below.

• A. Both the muscles are called aerobic muscles.
• B. Both the muscles are called red fibres and depend on aerobic process for energy.
• C. Muscle 1 is called white fibres and whereas muscle 2 depends on aerobic process for energy.
• D. Muscle 1 is called red fibres and aerobic muscles whereas muscle 2 is called white fibres and depend on anaerobic process for energy.