Question

in the first set of drop - down boxes, select the first root in the term and the correct definition for that root: osteoarthritis
in the first set of drop - down boxes, select the first root in the term and the correct definition for that root. then, in the second set of drop - down boxes, select the second root in the term and the correct definition for that root.
root definition root definition
osteoarthritis (click to select) (click to select) (click to select) (click to select)

Explanation:

The word "osteoarthritis" has two root - words. "Osteo -" is a root meaning bone, and "arthr -" is a root meaning joint. Osteoarthritis is a condition related to the bones and joints.

Answer:

First root: osteo, Definition: bone
Second root: arthr, Definition: joint