its heart or brain
Your Heart
Well what one are you talking about then I will tell you:)
When the human body becomes cold shivering begins. Also, goosebumps develop in an attempt to keep heat in the body.
I dont know you tell me...
It would depend on which body part you had. If you had their head, or heart, then I would say yes you can tell if they are dead (they most certainly are in this case). If you had an ear or finger, then no you could not tell if the person were dead.
the brain helps you to tell you what you hear
You need a furnace expert to come and inspect it and tell you the answer.
you tell me
Involuntary skeletal muscle contractions and relaxations create heat and therefore help to regulate body temperature.
Motor Cortex
tell the body part using for getig food
The strongest part of the human body, if we consider the tissues themselves, would the the enamel in our teeth. That is the one part of the body that remains even after a body is severely decayed, or burned; as anyone familiar with forensics would tell you.