How Is the Vast Majority of O₂ Carried in the Blood

question 8

Multiple Choice

How is the vast majority of O₂ carried in the blood?

• A) As bicarbonate ion (HCO₃)
• B) As carbamino compounds
• C) Chemically combined with Hb
• D) In physical solution

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Definitions:

Synovial Membrane

A specialized connective tissue that lines the inner surface of capsules of synovial joints and tendon sheath, secreting synovial fluid to lubricate and nourish the cartilage.

Serous Membrane

A thin membrane lining certain internal cavities of the body, secreting a lubricating fluid.

Mucous Membrane

A moist, inner lining found in various organs and body cavities, including the mouth, nose, lungs, and digestive tract, that secretes mucus.

Freely Movable Joints

Joints in the human body that allow significant movement across multiple axes, such as the knee, shoulder, and hip.