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17.1
Cells and Messengers of the Immune System
1
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The two basic divisions of the immune system are the ________ and the ________.
2
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The three main types of innate immune cells are ________, ________, and ________.
17.2
What Does Your Immune System Have to Do with Your Behavior?
3
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Isolating, loss of appetite, and feeling fatigue when we are sick are examples of ________.
4
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Interleukin-1 beta is a pro-inflammatory________, and can induce sickness behaviors.
17.4
What Do Immune System Signals Do Once They Reach the Brain?
5
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Microglia come from this early embryonic structure: ________.
6
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Microglia help remove synapses that are not being used early in development in a process called ________.
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