If microorganisms penetrate the first line of defense, a second line of _______________ forms defense mechanisms that become operational.

Name: If microorganisms penetrate the first line of defense, a second line of _______________ forms defense mechanisms that become operational.
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Question

Quizplus · Accepted Answer

The second line of defense against microorganisms includes both cellular components, such as white blood cells and other immune cells, and humoral components, which involve substances found in body fluids like antibodies.

If Microorganisms Penetrate the First Line of Defense, a Second