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

The Cornea

is the answer

well schools are being forced to embrace computers. unlike their "digital immigrant" teachers, these students are "digital natives", born into a world where technology is an integral part of everyday life. almost every student has access to a multitude of computers, laptops and tablet devices. it would be crazy to assume an assignment would  not be written on computer in this day and age.

don't delete this trying to

answer; i believe that the correct answer is (lung);