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Alja [10]
4 years ago
8

Why is the immune system important to humans

Biology
1 answer:
Lynna [10]4 years ago
6 0
The immune system<span> is the body's defense against infectious organisms and other invaders. ... One of the </span>important<span> cells involved are white blood cells, also called leukocytes, which come in two basic types that combine to seek out and destroy disease-causing organisms or substances.</span>
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