The Cardiac Muscle contracts about 70 times per minute
Answer:
Are there any answer choses?
Explanation:
Treatment. Examination. Minor Surgery.
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
You don't need to take a lot of medication cause you can end up in the hospital and get real sick
