Author: Self Study for UPSC

Hemoglobin  or haemoglobin  (Greek αἷμα (haîma, “blood”) and globulin abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells (erythrocytes) of almost all vertebrates (the exception being the fish family Channichthyidae) as well as the tissues of some invertebrates. It is the protein molecule in red blood cells that carries oxygen from the lungs to the body’s tissues and returns carbon dioxide from the […]

Various variations related to age, sex, population and ethnic groups are found with respect to body fat. The reasons for the differences in prevalence of body fat among groups are complex, likely involving genetics, physiology, culture, socioeconomic status (SES), environment, and interactions among these variables as well as others not fully recognized.  Subcutaneous fat is […]

A sensory perception is capacity of an individual or organism to process the stimuli in their environment. This processing is done through the coordination between sense organs and the brain. Hearing, vision, taste, smell, and touch are the five senses.  The sensory perception involves detecting, recognizing, characterizing and responding to stimuli. There are five different […]