What Prevents Food from Entering the Nasal Cavities

question 2

Multiple Choice

What prevents food from entering the nasal cavities?

• A) the tonsils
• B) the mandible and maxilla
• C) the hard and soft palates
• D) the cheeks
• E) the salivary glands

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Definitions:

Thymus Gland

An endocrine gland that functions as part of the lymphatic system; processes T cells; important in cell-mediated immunity.

T Cytotoxic Cells

A type of T cell (a form of white blood cell) that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.

T Helper Cells

A type of white blood cell that plays a crucial role in the immune system by signaling other cells to perform their functions.

B Cells

A type of white blood cell that is part of the immune system, producing antibodies to fight off infections.