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Biology
OpenStudy (anonymous):

A body-produced chemical helping to break down food for digestion is called an: A. infragen B. enzyme C. expectorant D. antigen

OpenStudy (kainui):

What do you know about the following four choices?

OpenStudy (anonymous):

nothing

OpenStudy (kainui):

None of these have been mentioned in your class?

OpenStudy (anonymous):

Don't be so hard on the kid. Let's first figure out what kind of class he is taking.

OpenStudy (kainui):

I'm just asking questions to see what's known or not known to try to base the help I give on things that make sense. If nothing is known, then I can't help lead anybody to the right answer.

OpenStudy (anonymous):

enzymes

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