The heart functions as a <span>muscle that helps to pump oxygen around the body.
Hope this helps. (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧ </span>
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
Answer:
Yes.
An inference can be based on your experience and observation.
Explanation:
C. Rep, A consecutive repetition exercise that tests and measures your resistance/endurance. Hope this helps!
