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.
What qualifies as a good typing speed depends on the population you're examining: the general population or professionals. The average person types between 38 and 40 words per minute -- between 190 and 200 characters per minute.However, professional typists type a lot faster on average -- upwards of 65 to 75 WPM.A good typing speed compared to the general population would be over 40 WPM, but compared to professionals it would be in the 75 WPM range.owever, professional typists type a lot faster on average -- upwards of 65 to 75 WPM. A good typing speed compared to the general population would be over 40 WPM, but compared to professionals it would be in the 75 WPM range.