Answer:
Strokes occur in the brain
Heart attacks occur in the heart
Explanation:
Both strokes and heart attacks occur when the blood supply to that part of the body is blocked or interrupted. Strokes occur in the brain, while heart attacks are specific to the heart muscle. Both can be caused when blockages cut off the blood supply and the tissues starves for oxygen and other nutrients. Strokes can also occur when the pressure in a blocked artery causes it to burst and the blood leaks into the brain.
Explanation:
Regular cardio, strength training, workout for improving muscular endurance, and flexibility exercises are all going to contribute well towards a healthy body fat content. Together with healthy eating you should be able to achieve your fitness goals.
For the oxygen created and for the ridding of CO2 that is "used up" in the process