Gills are an organ that fish have, that enables them to obtain oxygen from the water that they are in; it is what fish use instead of lungs.
Shrinking .…
Farts
Electoral is a political term and has no special meaning in science.
He is the symbol for Helium in a scientific setting.
It means it could hurt you
it means like often
A length of time.
The term echodermis is referring to a person's skin. This is the scientific name and definition for this term. It is used often in Science and other professions.
In science, the term "stationary" refers to an object or system that is not moving or changing position relative to a reference point.
One or more of the same Atom.
The amount of space that something occupies.
It means almost everything that we mean by religion and philosophy.