Answer:
It is an infection caused by a virus in your body
Explanation:
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
<span>The correct answers are D. Swing states. These are states that change their support from election to election so you have to win them over all the time. They're not like traditionally republican or traditionally democratic states like Texas and California respectively. Usually who wins them, wins the election.</span>
