Definetly A. They work on the ability to supply oxygen to the lungs from the heart, to help them run.
C. On average they tend to die about 10 years earlier
Answer: well...
Explanation: No one loves me either, so let me love you, and you can love me. XD
The answer is ...They should check their facts and exchange questions with each other. .
Hope this helps
Having stronger bones
Easier to do household chores
Lower blood pressure
Larger lung capacity
