Vitamin B₁₂ Is Essential To

question 27

Multiple Choice

Vitamin B₁₂ is essential to:

• A) make new cells and DNA
• B) ensure the nerves are functioning correctly
• C) build strong teeth
• D) a and b only

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Definitions:

Periosteum

A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Diaphysis

The main or central shaft of a long bone.

Articular Cartilage

The smooth, white tissue that covers the ends of bones where they come together to form joints, facilitating smooth movement.

Metaphysis

The narrow portion of a long bone between the epiphysis and the diaphysis involved in growth during childhood.