[Solved] You can see the position of objects in Design view as you are moving them, and you can position controls precisely by looking at the horizontal and vertical ____ that appear on the top and left sides of the form. A) grids B) rulers C) guides D) rows Air Space: The portion of the respiratory system where gas exchange occurs; can also refer to the cavity within the alveoli in the lungs. Focus Controls: Features or devices on imaging equipment, such as cameras or microscopes, allowing the operator to adjust the clarity and sharpness of the image. Microscope: An instrument used to see objects that are too small to be seen by the naked eye, enhancing the resolution and visual perception of the observer. Oculars: Refers to the eyepieces on microscopes or other optical instruments, aiding in magnification and observation.