Answer: Increase
Step-by-step explanation:
The warm-up is a physical exercise which is done before actual physical performance or practice such as dance, running, wrestling and others. The athletes, dancers, wrestlers they perform the warm up so as to stretch their muscles, improve their strength and flexibility. It actually prepares the muscles for straineous activities.
The warm- up routine will increase the body temperature because the warm up is one of aerobic activities which speed up the cardiovascular and respiratory activities. During warm up the body may require immediate supply of oxygen. Due to the increase in the speed of the bodily functions the temperature of the body also increases.