What feature of ceramics is not a reason for using them in the human body? They are resistant to body fluids.
They are hard and durable.
They are made from clay.
They are resistant to rejection.

C.

Explanation:

Ceramic is made out of clay and isn't that durable.

(I'm not sure that much, this is just what I think)

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

cancer risk hope this