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3 Cards in this Set
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- Back
- 3rd side (hint)
GLAND |
A group of cells that prepare and release a chemical for use by the body |
A group of cells that...... |
|
VACCINE |
A weakened or inactive version of a pathogen that stimulates the body's production of antibodies which can destroy the pathogen |
A weakened or inactive version... |
|
HORMONE |
A chemical released in the bloodstream that sends signals to specific cells, causing them to change their behavior in specific ways |
A chemical released in the........ |