Selasa, 04 April 2017

How Metabolism Red Muscle Fibers

How Metabolism Red Muscle Fibers

Features of Red Muscle Fibers
- About half the diameter of white fibers
- Dark red in color due to large quantity of myoglobin
- Surrounded by many capillaries
- Numerous mitochondria
- Low glycogen content
To synthesize ATP, red muscle fibers mainly use the Krebs cycle and oxidative phosphorylation, which require mitochondria and oxygen. Oxygen come from the abundant myoglobin and capillaries. Oxygen diffuses rapidly throughout these small cells.

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