I think it’s b because it helps the blood cells enable more oxygen and takes it to the muscles
Hope that help
Strabismus may cause reduced vision, or amblyopia, in the misaligned eye. The brain will pay attention to the image of the straight eye and ignore the image of the crossed eye. If the same eye is consistently ignored during early childhood, this misaligned eye may fail to develop good vision, or may even lose vision.
the vital capacity of an athlete is higher than a non-athlete because they are trained to do hard work, their lungs get bigger over time and make it easier for them to take long breaths when they are running or doing any other exercise
Prevention is important for ones health status because if someone is not participating in a certain act it cannot harm or do good to them .