The Internal Defense System Includes Which of the Following

question 35

Multiple Choice

The internal defense system includes which of the following?

• A) Cilia
• B) Mucous membranes
• C) Acute-phase reactants
• D) Acidity of the skin

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Definitions:

Chemical Bonds

The attractive forces that hold atoms together in molecules or crystals, forming as a result of sharing or transferring electrons between atoms.

Molecule

The smallest particle of a chemical substance that can exist independently while retaining the chemical properties of the substance.

Atoms

The basic unit of a chemical element, consisting of a nucleus of protons and neutrons, and surrounded by electrons.

Ion

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.