Find the verbs in the following account.

YOUR EYESIGHT--NATURE'S MIRACLE

    A.
    1. Your eye is a masterpiece of fine workmanship.
    2. Like a motion-picture camera, your eye takes a series of pictures, ten exposures a second, 36,000 an hour.
    3. In a lifetime it takes billions of snapshots with only one film.
    4. It blends these still snapshots rapidly.
    5. Like a movie camera, the eye gives the impression of movement.
    6. Actually the eye switches on and off constantly.
    7. Half your daylight hours you live in complete darkness.
    8. Your mind simply disregards the blank intervals.
    9. Like an expensive camera, your eyes have shutters, lenses, filters, and focusing devices.
    10. The cornea acts as a protective covering for the eye.

    B.
    1. The eyelids, with the help of the tear glands, clean the cornea constantly.
      2. The iris is the shutter.
    2. An automatic light meter controls the shutter opening.
    3. In very bright light the opening is very tiny.
    4. At night the shutter opens wide.
    5. The lens too is remarkably adaptable.
    6. It acts as a color filter.
    7. 8. It filters out certain colors at the extremes of the spectrum.
    8. In later years we see fewer blues and violets.
    9. The cells of all parts of the eye are remarkably efficient and highly specialized.