Why is having a lower pulse or higher stroke volume good for a person?

What age does a baby horse stop nusng? What are secret phobias? How is exercise good for the body? For the past 24hrs i feel like i got to pee but can't urinate why is that? What is the name of gap between two front teeth? What do chewing and the action of bile have in common in the digestive system? What can happen if you have your period for a long time? What does an elevated acetone value mean? If veins become visible on the breasts does it mean you are pregnant or could it be caused by something else? My drink goes through my braces and it's really annoying.How do you drink when you first get braces? You are nine weeks pregnant and have been experiencing light bleeding for the past three days No cramping though but you are a little worried what should I do and does this mean that I have miscarried? What signs should you look for which would tell you that someones suffering from hypothermia? Are there more deaths in the black plague then ww1? What disorder in usually not diagnosed in children or adolescence? What is the danger of keeping laboratory smallpox viruses? Does your body shake if you have a thyroid problem? Can ciprodex be used on cats ear infection? Which transition would be used to stress that an idea is important? Can a hair grow into your back if it falls from your head and sits there long enough? What would happen if you stab an eye?