This is for people who need support and want to be opened Are u part of the LGBT?

Are you closeted or are you out yet?

what are your preferences?

What are ur pronouns?

how r u doing?

did u eat anyth tdy or drank any water?

did u sleep enough?

bro

Explanation:

The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases

its also in your lungs