Question

bidirectional means that there is(are) ____ line(s) of motion.
○ 1
○ 2
○ 3
○ many
question 10
which of the following body parts is located in the midsagittal plane?
○ nose
○ arm
○ ear
○ finger

Explanation:

For the first question, "bidirectional" refers to motion along two opposing lines/axes. For the second question, the midsagittal plane divides the body into equal left and right halves, and the nose lies along this central plane, while the other parts are unilateral or off-center.

Answer:

First question: 2
Second question: Nose