Answer
The prefix "myo-" means muscle. It is part of the word myoglobin.
Work Step by Step
Others words with this prefix are myosin, and myocardium.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.