Figure 21.1 Using the Above Figure, Identify the Labeled Structure(s) in Each

question 49

Multiple Choice

Figure 21.1

Using the above figure, identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label F.

• A) Pulmonary cavity
• B) Vagus nerve
• C) Aorta
• D) Phrenic nerve
• E) Pulmonary trunk

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Definitions:

Specific Antigens

Unique molecules or molecular structures on the surface of pathogens, cells, or tissues that trigger an immune response when detected.

B Cells

A type of white blood cell that matures in bone marrow and is involved in the production of antibodies as part of the adaptive immune response.

Bone Marrow

A soft tissue inside bones where blood cells are produced.

Lymphoid Organ

Organ other than a lymphatic vessel that is part of the lymphatic system; the lymphatic organs are the lymph nodes, tonsils, spleen, thymus gland, and bone marrow.