A brown eyed person (BB) and a blue eyed person (bb) have several children. Which of these statements describe the probable eye color of their children? 1.All will have blue eyes
2.All will have brown eyes
3.Half will have brown eyes, and half will have blue eyes
4.Less than half will have brown eye

Im pretty sure theyll have brown eyes if not my bad

Explanation:

air sacs

Explanation:

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. From there it is pumped to your lungs so that you can breathe out the carbon dioxide and breathe in more oxygen.