In the lungs. The carbon dioxide/oxygen diffuses through the capillaries surrounding the alveoli (grape like structures) in the lungs
A friend should have their own opinion and not just say whatever to please you so A is crossed out. C is crossed out because a good friend should display honesty whenever they have something to say wether it is good or bad so that way you can trust them. D is also crossed out because a friend should be reliable all the time wether they are angry with you or not. So that leaves option B. Option B is correct because a friend should care about your feelings and not just say mean things and harm you emotionally. So that means the correct answer is
B) Empathizes by showing care and sensitivity to your feelings.
Because, when an infection exist in the human body it tends to spread, so if the cells stayed in one space then the infection would have a much greater opportunity to severly make that person very ill before the cells could even get to the infection.
Answer:
The Jungle by Upton Sinclair, with its graphic and revolting descriptions of unsanitary conditions and unscrupulous practices rampant in the meatpacking industry, was an inspirational piece that kept the public's attention on the important issue of unhygienic meat processing plants that later led to food inspection
Answer:
D) the more benefit they will receive from exercise.
Explanation: