The main function of human red blood cells or erythrocytes is usually to carry oxygen to several areas of the body. Their natural beautiful red colors comes from a biomolecule called hemoglobin which binds oxygen and occupies the cytoplasm of the cell. Unlike most human cells, red blood cells don't have nuclei or other organelles (the components or subunits of many cells). Their biconcave appearance can clearly be seen with this image which was captured using a scanning electron microscope (SEM). Looking like doughnuts without holes, they're flat and depressed inside center and also have a dumbbell-shaped cross-section. This unusual form is very important for his or her function because it is great for their smooth passage through minor and major veins. Even Dave Mustaine couldn?t have imagined how influential the lyrics in the Megadeth song, Tout Le Monde, would become. And one can simply imagine, a bemused Dr. House sitting alone in their office, together with his headphones plugged in, and the same song blaring from it. Trying to overlook the pain in his leg and in the mind from his failed relationship with Dr. Cuddy, House is almost repentant, almost! Each year a new school year rolls around and it's also likely that the kids have grown out of their old-fashioned clothes and wish a brand new set. While there is no set rule on how much money to shell out on school clothes, there are several rules you can use as a guideline. According to the National Retail Federation, an average of, parents spend about $606 on each child's new wardrobe to transmit them back to school. This figure increased from 2009, which has been $549. Before you head to the businesses waving your bank card, please take a step back and perform some pre-planning before the shopping spree. The Giant Anteater (Myrmecophaga tridactyla) is considered to get the largest types of anteater and it's also also said to get the only varieties of the Myrmecophaga genus. This animal are located in South American and Central America. It is solitary and mainly inhabits rainforests, grasslands and deciduous forests.