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
Your butt hole. It knows the difference between a gas a liquid and a solid. :D
They all are parts of the states of matter
solid liquid
Liquid.
Solid
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).
it is a gas
The two main components of human solid waste are feces (solid waste from the digestive system) and urine (liquid waste from the urinary system).