During pregnancy, these painless tightenings are called Braxton Hicks contractions. When you are having regular, painful contractions that feel stronger and last more than 30 seconds, labour may have started. As labour gets going, your contractions tend to become longer, stronger and more frequent. During a contraction, the muscles in your womb contract and the pain increases.
During initial stages of assimilation, Borg nanoprobes began attaching themselves to the victim's red blood cells, allowing them to circulate throughout the body. (VOY :  Scorpion ) Within minutes, the nanoprobes spread visibly through the capillaries of the victim's skin.
Assimilation is a cognitive process in which there is an integration of new information into an existing schema of ideas. For example, when an unfamiliar dog is seen, a person will probably just assimilate it into their dog schema.However, if the dog behaves strangely, and in ways that don't seem dog-like, there will be accommodation as a new schema is formed for that particular dog.or example, when an unfamiliar dog is seen, a person will probably just assimilate it into their dog schema. However, if the dog behaves strangely, and in ways that don't seem dog-like, there will be accommodation as a new schema is formed for that particular dog.