Directions: Choose the Best Answer Based on the Information You

question 17

Multiple Choice

Directions: Choose the best answer based on the information you read in Chapter 22. We don't have any spare pencils, ______ some students will have to finish the crossword in pen.

• A)nor
• B)yet
• C)so

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Definitions:

Macrophage

A type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells.

Phagocytizes

The process by which cells engulf and digest solid particles, typically used by immune system cells to eliminate pathogens and debris.

Infections

The entry and proliferation of microorganisms like bacteria, viruses, and parasites, which are usually absent from the body, frequently leading to sickness.

Protein Fibers

Long, filamentous proteins critical to the structure and function of the body's connective tissues.