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____ [38]
3 years ago
15

What initiates an immune response?

Biology
1 answer:
GalinKa [24]3 years ago
6 0
Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, known as cytokines, which control the entire immune response.
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2. Even though the hours of sleep that's used by people typically varies, adults generally need about six to eight hours of sleep.

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