Answer:
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
Answer:
california 49'ers
Atlanta braves
tennessee volunteers
michael phelps with 28 medals
Explanation:
Push-ups can increase your muscles in your shoulders, chest, and possibly your core(the middle section of your body).