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Hey there, when you are exercising, your muscles need extra oxygen—some three times as much as resting muscles. This need means that your heart starts pumping faster, which makes for a quicker pulse. Meanwhile, your lungs are also taking in more air, hence the harder breathing.
Have a good day! <3
Brainliest Appreciated
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d if the answer is right please mark as brainly
Well most people used gun powder for guns
Answer: Sojourner Truth's 1851 speech, Ain't I a Women?, was an extemporaneous speech that was spoken at a women's rights convention during a time when women did not have the same rights as men. ... Man had nothing to do with Him!" (432).
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D Taming animals for human use. Hope I helped :)