Disease Categories. Electrical: Abnormal heart rhythms (arrhythmias) are caused by problems with the electrical system that regulates the steady heartbeat. The heart rate may be too slow or too fast; it may stay steady or become chaotic (irregular and disorganized).lectrical: Abnormal heart rhythms (arrhythmias) are caused by problems with the electrical system that regulates the steady heartbeat. The heart rate may be too slow or too fast; it may stay steady or become chaotic (irregular and disorganized).
Typing on a Computer Keyboard. For some students, learning to type on a computer can be as difficult a task as learning to write with a pencil. Students with good fine motor skills are often better at mastering this particular skill. Typing requires coordinating finger movements and memory skills. A student must first remember where the letters, numbers, and symbols are located on the keyboard.
Our original Timed Typing Test allows you to submit your speed to our realtime world wide scoreboard. The Typing Certificate Test allows you to print out a certificate with your name, and typing speed. Enjoy! These tests gives an accurate word per minute assessment of your typing speed. The test has timer options of 1 to 5 minutes. Lessons 26 through 35 offer complete stories. These classics are easy to type and fun to read. We have recently added lessons with Spanish, French, and German words, as well as commonly misspelled words.