The first cellular line of defense against foreign invaders, ________ are white blood cells that ingest substances, including cells and viruses, that have been marked as foreign by the body defenses or are missing markers that identify them as belonging to the body.

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The Answer of The first cellular line of defense against foreign invaders, ________ are white blood cells that ingest substances, including cells and viruses, that have been marked as foreign by the body defenses or are missing markers that identify them as belonging to the body.

The First Cellular Line of Defense Against Foreign Invaders, ________