Answer:
Left Atrium
Explanation:
The left atrium is the upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it down into the left ventricle which delivers it to the body.
I hope this helps you :)
A. Fatigue hope this helps
Answer:
strength
Explanation:
athletes need speed but in order to be fast you also need to have strength to help your body