Humerus is the bone of arm , it connects the shoulder joint (scapula) to the elbow joint (ulna&radius) , it (with muscles) forms the main bulk of the upper arm .             Humerus is a bone that is found in the arm and it help you to move your arm so you can pick stuff up.
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Princeton's WordNet (0.00 / 0 votes) Rate this definition: biofeedback (noun). a training program in which a person is given information about physiological processes (heart rate or blood pressure) that is not normally available with the goal of gaining conscious control of them.