If you have good cardio respiratory endurance, then you'll be able to do rigorous physical activity for longer amounts of time, because like other muscles in your body, the more you stretch them the stronger they get and the longer they would last.
Hope that helps and makes sense :)
When organism adapt there is a greater chance or survival.
The answer is: B
The Centers for Disease Control
Autopsies test for infections, changes in body tissue and organs, and the presence of chemicals such as drugs or poison. :)
