How does aerobic exercise help prevent cardiovascular diseases? A. It helps you burn more calories, which reduces plaque in the arteries, so that your heart becomes more efficient at pumping blood. B. It warms your blood, making it more fluid, so that your heart can pump more efficiently and slowly, creating less stress on the heart. C. It makes your heart beat faster to supply more oxygen, which makes the heart stronger and enables it to pump blood more efficiently. D. It lowers your blood pressure, which allows your heart to better dispose of fat cells before they form plaque on the artery walls. Reset Next

C.

Explanation:

An aerobic exercise is a type of physical training that use the strength of large muscular groups of our body. These exercises are helpful in strengthening our heart and lungs.

These exercises makes us sweat and breathe harder which in turn trains our heart to beat faster. With the help of aerobic exercises our cardiovascular system is trained to supply more oxygen which helps our heart to pump blood more efficiently to our body.

Example of aerobic exercises are jogging, aerobic dance, indoor cycling, etc.

Thus the correct option is C.

the two sets of lines are :

the answer is b, encourage free trade