Answer:
the answer is Water vapor
I'm 99.9% sure its lysosomes.
The middle turqois-ish color is Nucleus
The one on the bottom right is cell membrane
The one on the bottom left is cell wall
<span>Dehydration is detected by osmorectors in the (hypothalamus)</span>
The client should remove all metal objects (such as piercings, rings, jewelry of any kind) the day of the scan.