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4
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The system that helps fight pathogens and disease
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5
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Layer of skin
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6
|
There are three of these in the immune system
|
7
|
Special cells of the immune system that recognize foreign invaders
|
9
|
Used to help develop an immunity to a disease
|
10
|
Like spit
|
11
|
Abnormal condition that effects the body
|
|
|
|
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1
|
A fluid membrane in the throat, nose, and mouth
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2
|
The special organ where white blood cells mature
|
3
|
Two types: B-cells and T-cells
|
8
|
Small hairlike structures
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|
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