Are gender traits completely a result of societal expectations? Are there any parts of the human body that get oxygen directly from the air and not from the blood?

#Are gender traits completely a result of societal expectations?

;No its not. Its largely determined by biological process.

Are there any parts of the human body that get oxygen directly from the air and not from the blood?

The cornea

The cornea is the fastest healing tissue in the human body, thus, most corneal abrasions will heal within 24-36 hours.

Explanation:

#itzuryesul

nope there are no parts like that.

Explanation:

our body uses energy in the form of ATP which is a by product of respiration.

Glucose molecue is broken down into water and ATP molecule.

So our body only take oxygen from blood.

We don't have stomata all over our body dude!

the contamination

we are putting to many trash.