I’m pretty sure it’s stress
Answer:
It is recommended to exercise an hour at a time because ligaments, joints, and muscles get weak after an hour of exercise which can increase the risk of injury.
Answer:
Your muscles will require less oxygen to move and they will produce less carbon dioxide. This will immediately reduce the amount of air you will need to breathe in and out for a given exercise.
<span>While all four of the items and factors listed are, in fact, known carcinogens and thus capable of causing cancer, only one meets the definition of a pathogen, which is an organism, such as a virus or bacterium, which can produce harmful effects. That factor is item d) human papillomavirus or HPV, which is a root cause of cervical cancer.</span>