Myoglobin has a special function in muscle tissue. It a. breaks down glycogen, b. is a contractile protein, c. holds a reserve supply of oxygen in the muscle.

Verified step by step guidance

1. Identify the role of myoglobin in muscle tissue.
2. Consider the options provided: breaking down glycogen, being a contractile protein, or holding a reserve supply of oxygen.
3. Recall that myoglobin is a protein found in muscle cells.
4. Understand that myoglobin's primary function is related to oxygen storage and transport within muscle cells.
5. Conclude that myoglobin holds a reserve supply of oxygen in the muscle, which is crucial for muscle metabolism during periods of high demand.

Key Concepts

Myoglobin Function

Myoglobin is a protein found in muscle tissue that plays a crucial role in oxygen storage and transport. It binds oxygen molecules, allowing muscles to have a readily available supply during periods of high activity, which is essential for aerobic respiration and energy production.

Oxygen Reserve

The oxygen reserve refers to the amount of oxygen stored in myoglobin within muscle cells. This reserve is vital for sustaining muscle function during intense exercise when oxygen demand exceeds the supply from the bloodstream, enabling prolonged physical activity.

Muscle Physiology

Muscle physiology encompasses the study of how muscles function, including the mechanisms of contraction and energy utilization. Understanding muscle physiology is essential for comprehending how myoglobin contributes to muscle performance and endurance during physical exertion.