In English grammar, an abstract noun is a noun or noun phrase that names an idea, event, quality, or conceptâfor example, courage, freedom, progress, love, patience, excellence, and friendship. An abstract noun names something that can't be physically touched. Contrast with concrete noun.
The adult human brain weighs on average about 1.2â1.4 kg (2.6â3.1 lb), or about 2% of total body weight, with a volume of around 1260 cm3 in men and 1130 cm3 in women, although there is substantial individual variation.
Brain And Five Senses. 1  1. THE BRAIN AND FIVE SENSES BRAIN- responsible for overseeing the daily operations of the human body and for interpreting the vast amount of information recieves.the adult human body brain weighs an average of 1.4 kg or about 2% of the total body weight.