9. What function do the circular discs play?
a. They move around the ligaments.
b. They increase in size when you jump.
c. They contract when you start to stretch.
d. They rotate and move as the body does.
10. If a basketball player jump, and shoots the ball the disc will........
a. turn inside the ligament
b. turn inside the spinal column
c. turn outside the spinal column.
d. turn outside the shock absorber
11. "to go beneath the surface, usually of a liquid"
b. flooding
a. submerge
d. seeking
c. seeped
12. "to tear violently; to cut off tear apart"
b. destruction
a. reliable
d. destroy
c. rip off
13. "to move back; the act of withdrawing"
b. forced
a. retreat.
d. occurred
c, abandon