Which System Is the Body's Network of Activities and Cells

question 55

Multiple Choice

Which system is the body's network of activities and cells that identify and destroy antigens and cancer cells?

• A) immune system
• B) autonomic nervous system
• C) sympathetic nervous system
• D) cardiovascular system

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Definitions:

Mantle

In the mollusk, a fold of tissue that covers the visceral mass and that usually produces a shell.

Centipedes

Arthropods belonging to the class Chilopoda, characterized by long bodies with one pair of legs per body segment, and predators to insects.

Mites

Small arthropods belonging to the subclass Acarina (including ticks) that can live in diverse environments, including soil, water, and as parasites on plants and animals.

Nudibranch Mollusks

Colorful sea slugs known for their striking forms and colors, which have shed their shells during evolutionary development.