your head
Liver
Calcium is the most prevalent in the human body.
kidney
the most unknown organ in the human body is the spleen
Water is the most common molecular subsance found in the human body(~98%). and phosphorous is the most abundant element in human body.
Yes. Calcium is the most metallic substance in the human body.
The endocrine system produces most of the hormones in the human body.
Our glands produce heat, which can cause a fever for us. Thebody systemthat produces the most body heat within us is our sweating system.
Liver
Muscle movement produces the most body heat.
i think its the indocrine :/
Humans are considered heat engines by some. Others do not believe that the human body can be considered a heat engine. However, most do on account of the heat production that comes from the human body, as well as, the amount of work the body is constantly doing.
Yes. X-rays have energy, and any x-rays absorbed by the human body would be converted to heat. Or most of that energy would be converted to heat, at any rate.
Muscles
the brain
Plasma
Calcium is the most prevalent in the human body.
sliding friction