Antibodies Are Protein Molecules Produced by Specialized Cells in the Bone

question 18

Multiple Choice

Antibodies are protein molecules produced by specialized cells in the bone marrow called

• A)B lymphocytes.
• B)R lymphocytes.
• C)megakaryocytes.
• D)oocytes.

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Definitions:

Cisterna Chyli

A dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flows.

Cardiovascular System

The body's system comprising the heart and blood vessels, responsible for circulating blood to deliver oxygen and nutrients to tissues.

Thoracic Duct

The largest lymphatic vessel in the human body that drains lymph from the lower and left side of the body into the venous system.

Thymus Gland

A lymphoid organ situated in the neck which produces T-cells for the immune system, particularly active during childhood.