Fiber
The human body is about 209.5 degress celsius so any substance that has a melting point above that. Iron does so it would be a frozen substance in the human body. There are small amounts of iron in the human body.
Mind is the second most abundant substance in the human body
The hardest substance in the human body is tooth enamel.The enamel that coats your teeth is the hardest substance in the human body.enamel of your teeth?
The most abundant chemical substance in the human body is water. There are a lot of H2O molecules throughout the human body.
Propofol is not a naturally occurring substance in the human body.
This substance is water, H2O.
Yes. Calcium is the most metallic substance in the human body.
A foreign substance is a substance that doesn't belong somewhere. A piece of glass or splinter is a foreign substance that people get in their body.
enamel
enamle
The most important substance for maintaining a stable thermal environment within the human body is water.Water is the most important substance for maintaining body temperature.
There are no bones in the human body which cannot be broken.