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nignag [31]
3 years ago
9

This is a system of biological structures and processes within an organism that protects against disease

Biology
2 answers:
aniked [119]3 years ago
8 0
The immune system is the body's defense against infectious organisms and other invaders that cause a disease
Rashid [163]3 years ago
7 0

Answer:

the immune system i just did it on usatest prep

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