Biology

20 May, 01:27

Invading microorganisms sometimes enter the body and threaten its health. How does the body protect itself from these invaders?

A.

The immune system kills or disables the invading organisms.

B.

The respiratory system removes invaders from the blood.

C.

The immune system collects and stores the invading organisms.

D.

The respiratory system surrounds the invaders with carbon dioxide.

+3

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