During
exercise, Amanda’s heart rate has nearly doubled from her resting heart rate
because her heart would be beating much faster, allowing more blood flow out of
her heart at a faster and frequent rate, resulting to increase cardiac output
and stroke volume. Therefore, cardiac output is the product of the heart rate
and stroke volume.
A. A person is obese if he or she has an excess amount of body fat.
The reason for A and not B is because someone with a lot of muscles could weigh more based on their BMI, which doesn't differentiate between the weight from muscles vs. fat
