What is aerobic training? 

Aerobic exercise is exercise that makes your heart beat faster. Also, aerobic exercise makes breathing rougher. Pushing the body in this way sets off a chain reaction. 
When you move  large muscle groups and weights for exercise, the rest of your body follows: 
Breathing becomes faster and heavier 
Oxygen levels in the blood increase 
Heart beats faster 
Smaller blood vessels dilate, allowing them to carry oxygen better 
Larger blood vessels carry waste products out of the muscles 
Your body releases happy endorphins and pain Soothing 
This process strengthens the heart, lungs and muscles. Over time, your workout will feel easier as your system adjusts and your cardiovascular fitness improves.

Benefits

Helps the immune system:   Numerous studies have shown that people who exercise daily are less susceptible to mild viral infections such as the flu. It releases a powerful pain reliever, namely endorphins, and among other things, reduces anxiety and stress. 

Improved heart function:  The heart receives more blood with each beat of her heart. This means that your heart rate is condensed  during  exercise and relaxation. 

Extends life:  A Harvard study is the  first to find a scientific link between increased lifespan and exercise. Meanwhile, other studies support this initial assessment. 

Lung Improvement:  Increases the body's maximal oxygen consumption.

Decrease in blood pressure:  Speaking of heart health, high blood pressure, which may be known as hypertension, is another condition that medical professionals are increasingly concerned about. Increases risk of cardiovascular problems. Aerobic exercise has been shown to significantly lower blood pressure and is effective in preventing and treating high blood pressure.

Easy to do :  Some types of exercise are much more difficult to perform than others. Fortunately, many of the most common and effective examples of aerobic exercise are not included in this list. Cardio is generally very easy to do. Because you can work out as hard as your body allows without causing too many problems. Cardio is easy. Because you just  do what your body can tolerate. For example, walking is a good example of aerobic exercise, and nothing is easier than walking.

better sleep : Aerobic exercise is  raw physical exercise and  uses most of the muscles in your body. When you push your body to its limits, your body responds with better recovery and better sleep. I can do it. 
 

Relieves tension and stress :  Work stress, study, and relationship problems can create a lot of tension in your body. If you can't stand this stress for a long time, it  starts to affect you mentally. You can relieve this tension by working out. Exercise permanently removes stress and frustration from your body.