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10 Cards in this Set
- Front
- Back
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Dynamic equilibrium |
The ability to maintain a stable internal environment |
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Receptor molecule |
An adjacent nerve cells receive these chemicals and react to "message" |
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Hormones |
Stimulates specific cells or tissues into action |
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Pancreas |
Endocrine gland that regulates blood sugar levels secretes insulin |
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Guard cells |
Regulates openings through which plant leaves exchange o2 and co2 with the environment and through which water escapes from leaves |
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Immune system |
Fights off pathogens |
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Pathogen |
Disease causing "agent" |
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Immune response |
Pathogen enters body antigens attach to it WBC identify it as a pathogen WBC engulfs it kills it and makes more antibodies for that specific pathogen |
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Vaccine |
Contains dead or weakened pathogen. Vaccinated organism will make antibodies to attack the antigens |
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WBC |
Fights pathogens Can: identify invaders and destruction, destroy pathogens, produce antibodies. |
