The Immune System Treats Foreign Substances Such as Bacteria and Toxins

question 122

Multiple Choice

The immune system treats foreign substances such as bacteria and toxins as

• A)antigens.
• B)antibodies.
• C)synergisms.
• D)immunoglobulins.

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Definitions:

Known Minerals

Refers to substances with a definite chemical composition and crystalline structure that have been identified and cataloged by scientists.

Silicon Tetrahedron

A fundamental structural unit in silicate minerals, consisting of four oxygen atoms symmetrically arranged around a central silicon atom.

Cleavage

The tendency of a mineral to break along flat, smooth surfaces, which is related to the mineral’s crystal structure.

Silicate Minerals

Minerals that contain silicon and oxygen, and usually one or more additional elements, making up the largest and most important class of rock-forming minerals.