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ACT Science Vocabulary #8

Across
Single-celled microorganisms.
Fluid in cells.
An organism of microscopic or very small size.
The breakdown of glucose in the body of an animal to supply muscles with oxygen (2 words, no space)
Organic compounds that link together to form proteins. 2 words, no space)
A substance such as a toxin or enzyme that is capable of eliciting an immune response.
Fluid outside of cells; in the small spaces between other things.
Protective cells.
Down
A very slim tube; one of a network of extremely small blood vessels.
Coloration.
The movement of food from the stomach to the small intestine, and finally into the colon. (2 words, no space)
Organism that produces light.
An antibody created for and capable of neutralizing a toxin.
The chemical process of breaking down an organic substance into simpler substances, such as a fermentation or sugar to alcohol.
Brain swelling. (2 words, no space)