Yes it is, because exercise is a brilliant way to burn off fat or weight you have previously put on, which can also make you focus on your schoolwork as well. It is stated that if you have a miniature cross country run before the beginning of a test, it will make you sharper on the exam.
Exercise is healthy for you because it has a lot of movements that gets your heart pumping and that's good news because that means your working hard to make your body stronger (if that's not the answer you were looking for then ask someone else)!:D
if you are sick the germs in your body are killing your blood cells and working your body twice as hard
You pant when you exercise because your body is working hard to take in more oxygen to fuel your muscles. Panting helps increase oxygen intake and remove carbon dioxide, allowing your body to keep up with the demands of the exercise.
Yes, Anything that keeps you moving and working hard, or sweating would be an exercise. Does this help you?
perceived exertion
Biking is a great exercise for cardiovascular. Biking is hard on the body in a good way in that it works the lower body but whilst it is good for cardio it can be bad for your joints so if you are looking for a cardio exercise which is not hard on your body you should try something like swimming
Healthy living for many involves a hard look at the lifestyle you are presently pursuing. Diet and exercise are the most important factors to look at. Sleeping gives a chance for your body to repair itself from the days hardships. Like when u are working out it tears muscle tissue, but when u sleep ur body heals ur muscles and builds them stronger in preperation for harder task. Such is how adaptation works
because our body system has to work harder
Mitochondria make the energy in your body. During exercise you need more energy so you need more energy "factories"
why you breathe hard after working outbecause you are using energy...and when you use energy it is harder to breathe...so when you are done your body is taking the advantage that it is getting from you stopping. AlsooooWhen you exercise your body makes more CO2, and takes in more O2, so the more CO2 you need to get rid of, so the more you need to breathe.
As long as you are fit and healthy, if you run 12 miles every day, 6 days a week your body will definitely benefit from your hard work. Any exercise is good for the body.
You get tired while working out because your body is working hard and burning energy.