Task: Question Answering
Input (English): Process:  -Muscles work by expanding and contracting -A muscle fiber gets a signal from its nerve -Proteins and chemicals release energy to either contract the muscle or relax it -When the muscles contracts the bones connected to he muscle are pulled closer together -When the muscle relaxes the bones move farther apart.
 Question: What is the effect of nerves sending more signals on muscles will contract more.?
Output (English): for