If you're Rh-negative and your baby is Rh-positive, your body will react to the baby's blood as a foreign substance. Your body will create antibodies (proteins) against the baby's Rh-positive blood. These antibodies usually don't cause problems during a first pregnancy.
One point perspective definition. One-point perspective is a type of linear perspective. All categories of linear perspective include a horizon line and a stationary point (the position of the observer). In one-point perspective, only one vanishing point exists; lines radiate outwardly from this point, and perpendicular lines meet at this point. One-point perspective is the same as parallel perspective.
Definition of Focal Point in Art. The focal point is the center of interest or activity in a work of art. It may or may not be the actual center of a painting or drawing, but it is always the most important part. Contrast, structure and color are three things that help define the focal point. Focal Point in Your Drawings