True. The root/prefix (I'm not sure which it is.. probably root) "helio" means "sun," so "Heliocentric" is broken down into "helio" and "centric." Then, those become "sun" and "center."
when that is interpreted, it is "sun in the center"
To the body it is an artery
I do not know how to work the problem out at the given time. However, If you are answering a multiple choice answer test, this is the answer.
0.2 U/mL
Answer: C) Hydrogen of water is separated from oxygen.