Which body part removes oxygen from the air and places it into the bloodstream?

lungs

Explanation:

Our lungs are among our largest vital organs. The oxygen you breathe in goes into your lungs and passes into your blood from there. It is then transported to all the cells in your body through your bloodstream. The lungs are located in the chest region, protected by the ribs in the rib cage.

answer: try staring at an object, like a poster or something as a start : )

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.