Answered "What is it?

[Deebs]

First off, I know "exactly" what "it" is. More of a quiz. This is something very plant specific..Also if you know why this component is necessary, and what "state" it is in.

Careful not to get your heads in the gutter ...

 

[jpcyan2]

hmmm. Open stoma? just a wild guess.
Haha, trying really hard to keep from making a crude comment..

 

[Deebs]

hahah I figured that would be the biggest challenge to this question. Quick answer @jpcyan2 ! The stomata part is correct. Even though its only "half" open