Cytoplasm. The cytoplasm is the part of the cell which does all the work. Different cells do different jobs, however whatever the job is it will require energy in the form of a chemical called ATP. This energy containing chemical is produced by tiny organelles in the cell called mitochondria. Muscle cells contain two very special chemicals called actin and myosin.
Definition of TREPHINATION. : an act or instance of perforating the skull with a surgical instrument. ADVERTISEMENT.efinition of TREPHINATION. : an act or instance of perforating the skull with a surgical instrument. ADVERTISEMENT.
Cardioversion is a method to return an abnormal heart rhythm back to normal. Cardioversion can be done using an electric shock or with drugs. ELECTRIC CARDIOVERSION. Electric cardioversion is done with a device that gives off an electrical shock to the heart to change the rhythm back to normal.