body facts Selected as the most interesting among human anatomy related questions in Human anatomy quiz How many eyelashes are on the upper eyelid?150-250. The number on the bottom eyelid is significantly lower - about 50-150.Created by: Adolsface facts » How much skin do we lose each day?1.5 g of the epidermis falls out of the body daily. Exfoliated epidermis feed on eg mites.Created by: Tschuka anatomy facts » What is the shape do erythrocytes in human blood?Oval biconcave disks. In humans, mature red blood cells are flexible and oval biconcave discs. They lack a cell nucleus and most organelles, in order to accommodate maximum space for hemoglobin; they can be viewed as sacks of hemoglobin, with a plasma membrane as the sack. Approximately 2.4 million new erythrocytes are produced per second in human adults.Created by: Tschuka blood facts » Which part of their body do most people find impossible to lick?Elbow. Try it!Created by: Kasiahuman anatomy facts » How much percent of the water is in plasma?90%. Plasma, a component of blood, is an aqueous solution. In 90% it consists of water.Created by: Tschuka water facts » Play human anatomy quiz and see all the questions.