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Pie
3 years ago
10

Which line of defense includes active immunity? O first O second O third O fourth

Biology
2 answers:
MrRissso [65]3 years ago
6 0

Answer:

The <u><em>second </em></u>line of defense.

Explanation:

In our bodies the <em><u>second line of defense</u></em> includes active immunity. It contains non-specific immune responses, but yet still contains specific responses for certain things such as inflammatory and fevers.

Zigmanuir [339]3 years ago
3 0

Answer:

O third

Explanation:

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