Being physically fit depends on how well a person fulfills each of the components of being healthy.
When it comes to fitness, these components are:cardiorespiratory fitness, muscular strength,
muscular endurance, body composition, flexibility.
At the same time, additional small arteries grow within muscle tissue so that they can deliver blood to working muscles more...
English
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)