Simple and very pretty rose nail art design. The design looks very charming with the pink roses painted over the white nail polish as background. You can also see the light pink nails that have been painted to add variety to the design.
Preload is the stretch. The amount of volume being returned to the right side of the heart from systemic circulation. Afterload is the squeeze. The amount of resistance the left side of the heart has to overcome in order to eject blood.