1.   Show the students the balloons and ask them how you can make a noise using a balloon.

2.   With a certain amount of ingenuity she can even use the balloon to steer herself by pointing it in various directions.

3.   Another balloon is then used by physicians to expand the stents and lock them in place once they are in the artery.

4.   A balloon is used by physicians to expand the stents once they are in the artery.

5.   Dole has expressed unhappiness with the new set-up, joking that the convention will have to use miniature balloons because the ceiling is so low.

6.   Interventional cardiology had been developing for less than a decade, using tiny balloons to squash blockages against artery walls.

7.   Scientists can make isolated measurements using balloons, but these take samples only in one place.

8.   Such patients had already gone through several bypasses as well as angioplasty, which uses a balloon to help open clogged arteries.

9.   The far simpler angioplasty uses a balloon to dilate narrowed arteries, causing less pain and disability.

10.   The Gynecare system uses a balloon filled with liquid inserted into the uterus with a catheter and then heated.