Exercising warms up the body because heat is released as a by-product of the metabolic process that moves the muscles. Your body is oxidizing glucose, protein, or fat in a manner similar to burning fuel, but not as rapid.
When you persprire, your body is trying to cool off by evaporation, while at the same time releasing some of the waste products of metabolism.
warm up prepares our body to perform strenuous activities.
it gets warm
shivering warms the body up.
because your body is warm so it heats it up
Physical, chemical is one that affects the chemical make up of the substance.
Stretching is warming up. Therefore, it is OK to stretch if the weather is hot and body is already warm.
your body sweats to cool down and shivvers to stay warm
Throw yourself in a fire, it might get warm (Possibly).
Warming up actually applies to all sporting activities. It gives the players body a progressive adjustment to the physical output the body will be required to give. In essence it reduces pulled muscles, tendons etc
because you are warm and kitty's like to be warm!!MEOW
Your body is trying to warm you up and raise your overall body temperature. When you shiver your hair stands on end and creates somewhat of a blanket that warm your skin by a fraction of a degree.
I will come and warm you up
Increase the body temperature.
the general purpose of a warm up is to let the body know what is coming make sure to stretch a lot and run easy on the warm ups. but it will prevent you from injuring yourself to so always warm up!!