Pillbugs, also known as sowbugs, or woodlice, are familiar backyard creepy crawlies to most of us. Pillbugs are correctly. classified as terrestrial Isopods, and belong to the Class Crustacea. Familiar crustaceans include lobsters, crabs, shrimp, and daphnia (water fleas). The crustaceans, in turn, are part of a larger group, Arthropoda, or jointed-legged animals.
Video: Heart and circulatory system. Your heart is a pump. It's a muscular organ about the size of your fist and located slightly left of center in your chest. Your heart is divided into the right and the left side. The division protects oxygen-rich blood from mixing with oxygen-poor blood. Together, your heart and blood vessels comprise your cardiovascular system, which circulates blood and oxygen around your body. Your heart pumps about 5 quarts of blood every minute.
Serum protein electrophoresis (SPEP) is a laboratory technique that is used to determine the levels of some types of proteins in a blood sample. Serum is the liquid part of your blood. There are a number of reasons why a doctor may order this test.ne is to test for a cancer called multiple myeloma; another is to screen for multiple sclerosis, a chronic disease of the nervous system. SPEP is used to help diagnose or monitor a variety of different diseases or disorders that have abnormal proteins or protein levels.