The lens in your eye forms an upside-down image of the world.1)true 2)false

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.