At the site of gas exchange in the lungs, where does the oxygen move?

O2 moves from the alveoli to the white blood cells.
O2 moves from the white blood cells to the alveoli.
O2 moves from the alveoli to the red blood cells.
O2 moves from the red blood cells to the alveoli.

What is a glossary? a statement of the author’s purpose in writing the book, which may include suggestions for using the book a page at the front of a book that lists units and chapters with their page numbers an alphabetical list of the specialized words and terms used in the book and their definitions an alphabetical list of all topics covered in the book and the pages on which they can be found

In these frames, the author emphasize the challenges lqbal faced by showing

Bescribe a food from your country that many people enjoy