With respect to the red muscle fibers [Type I], the white muscle fibers [Type II] are richer in:
1. | Blood capillaries | 2. | Myoglobin |
3. | Sarcoplasmic reticulum | 4. | Mitochondria |
All the following regarding red muscle fibers are true except:
1. | They are adapted for slow and sustained activity |
2. | They have a high content of myoglobin |
3. | They are rich in mitochondria |
4. | They depend on anaerobic process for energy |