Although the brain is mostly comprised of water, it is still a solid.
The question itself needs to be more fundementally defined in its context as the human body contains many "solids". These include but are not limited to; blood (clots), bones, eyeballs, mucus (solidified), skin and of course not forgetting waste and other stuff.
There are many human body systems. A few of them are the liquid waste excretory system, solid waste excretory system, skeletal system, muscular system and the digestive system.
solid liquid
It is a solid
A solid.
The question itself needs to be more fundementally defined in its context as the human body contains many "solids". These include but are not limited to; blood (clots), bones, eyeballs, mucus (solidified), skin and of course not forgetting waste and other stuff.
There are many human body systems. A few of them are the liquid waste excretory system, solid waste excretory system, skeletal system, muscular system and the digestive system.
in the human body, it is the excretory system!
liquid
They all are parts of the states of matter
solid liquid
Your butt hole. It knows the difference between a gas a liquid and a solid. :D
Liquid.
Solid
it is a gas
The general classes of colloids are sols (solid particles dispersed in a liquid), gels (cross-linked networks of solid particles dispersed in a liquid), and emulsions (liquid droplets dispersed in another liquid).
A gas is not a liquid or a solid.