The O₂ Partial Pressure in the Skeletal Muscle Must Be

question 14

Multiple Choice

The O₂ partial pressure in the skeletal muscle must be _______ for the muscle's myoglobin to unload O₂ to the mitochondria.

• A) high
• B) low
• C) constant
• D) zero

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Definitions:

Plane Joint

A type of synovial joint which allows only sliding or gliding movements where the articular surfaces are flat.

Cartilaginous Joint

A type of joint where the bones are joined by cartilage, allowing for limited movement.

Synchondroses

A type of cartilaginous joint where hyaline cartilage joins two bones together, often found in areas of growth in children.

Plantar Flexion

A movement that involves the bending of the foot downwards at the ankle, pointing the toes away from the shin.