The epidermis is something that has a surface to which nothing is attached. The thinnest epidermis on a human is on the eyelids.
No, visceral pericardium attached to the surface of the heart. The parietal pericardium attached to the wall.
No, visceral pericardium attached to the surface of the heart. The parietal pericardium attached to the wall.
Fluid that it attracted to a nearby surface and remains attached even when the surface curves away from the initial flow direction.
a banana
The rough Endoplasmic Reticulum.
meaning that they live their entire adult life attached to a single spot. Meaning they're attached to some surface.
Yes, relative to any observer not attached to the earth's surface.
serosa
sessile
Parathyroid
Rough endoplasmic reticulum have ribosomes (protein-producing structures) attached to them.
nothing