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The thoracic duct drains lymph from all of the following regions, except the

Immunity that results from the exposure to an antigen is called _____ immunity.

The bluish cast that results from inadequate oxygenation of the skin and mucosa is called:

The process by which neutrophils are squeezed through the capillary walls during the inflammatory process is called:

The pharynogotympanic tubes, which drain the middle ear, open into the:

Venous blood in systemic circulation is poorer in oxygen and richer in carbon dioxide.

The respiratory zone includes the respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli.

Natural killers are unique phagocytic defense cells that can kill cancer cells and virus-infected body cells well before the immune system is activated.

Memory cells are descendants of an activated B or T cell.

_____ immunity – defense against antigens and pathogenic organisms in body fluids