an organism that helps to spread a disease, but is not infected with the disease.
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Type: Glossary
a person who does not eat animal flesh, but does usually include milk and eggs in their diet....
Type: Glossary
the forming new plants asexually (without the production of seeds or spores).
Type: Glossary
a heart chamber that pumps blood from the heart to the body or lungs.
Type: Glossary
is the gaining of a plant's ability to flower or germinate in the spring after exposure to the...
Type: Glossary
small fluid-filled sacs that store, transport, or digest cellular products and waste.
Type: Glossary
a small finger-like projection found on the inner folds of the small intestine, which increases...
Type: Glossary
extremely small infectious particles that can only reproduce inside a host cell.
Type: Glossary
the maximum amount of air that can be breathed in and out.