The diaphragm, next time just google it lol
Answer:
Smoking makes the airways become swollen, narrow, and filled with sticky mucus — the same problems that cause breathing trouble in people with asthma. For this reason, a smoker who has asthma is more likely to have more frequent and severe flare-ups.
Explanation:
I looked it up
First degree burn which are very mild
Your answer would be B : resting heart rate The reason why this is your answer is because are body need the oxygen to keep your body flowing from not having a storke
