Answer is B. Is this from penn foster?
The reason is that users have increased heart rates, your heart rate can be increased even by running and you can still drive so it wouldn’t be one of the reasons why it’s so dangerous.
Answer:
70 to 190 beats per minute.
Explanation:
Because heart rate generally decreases as body size increases, babies have the highest pulse. Heart rate slows down as a child grows.
Answer:
D
Explanation:
when doing aerobics your body becomes more flexible, making it easier to do other exercises. Also, When doing any type of exercise more and more each day, your body starts to become use to all the work your doing and starts steading with the speed of your heart.
