Abscesses occur when an area of tissue becomes infected and the body's immune system tries to fight it. White blood cells move through the walls of the blood vessels into the area of the infection and collect within the damaged tissue. During this process, pus forms.
cognition cogÂ·niÂ·tion (kÅg-nÄ­sh'Én) n. The mental faculty of knowing, which includes perceiving, recognizing, conceiving, judging, reasoning, and imagining.
Definition of Cognitive Skills? Cognitive skills or abilities is about the brains ability to process thoughts for learning. Cognition skills refers mainly to do with tasks like memory recall, the ability to learn new information, verbal comprehension, speech, the brains processing speed and understanding of written material.