Oxygen enters your body via the respiratory system by moving the

B  Trachea to the bronchioles to the bronchi because you don't have to breath from your nose

Explanation:

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

answer; the above statement is (true);