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.
Now that you are not looking at the keyboard and know where your fingers go, the best way to learn is simply to practice. A great website for this is http://www.keybr.com, here you will find a free typing practice system which allows you to enter words and have your speed and accuracy measured.