CO2: The Best Natural Muscle Relaxant. Carbon dioxide (CO2) is most likely the best natural muscle relaxant since it also provides O2 for the muscles and other body cells. I have seen the powerful effects of breathing exercises on hundreds of my students. Their posture, gait, and many other lifestyle factors change.
What the Test Does. The Rh factor is a type of protein that's usually on blood cells. When you have this protein, you are considered Rh positive. About 85% of people are Rh-positive.The rest are Rh-negative -- they don't have the protein. Normally, being Rh-negative has no risks.hat the Test Does. The Rh factor is a type of protein that's usually on blood cells. When you have this protein, you are considered Rh positive. About 85% of people are Rh-positive.
In general, Rh negative blood is given to Rh-negative patients, and Rh positive blood or Rh negative blood may be given to Rh positive patients. 1  The universal red cell donor has Type O negative blood type.2  The universal plasma donor has Type AB blood type.n general, Rh negative blood is given to Rh-negative patients, and Rh positive blood or Rh negative blood may be given to Rh positive patients. 1  The universal red cell donor has Type O negative blood type.