Muscle weakness is a symptom of a wide variety of mild to serious diseases, disorders and conditions. Muscle weakness can result from infection, trauma, malignancy, autoimmune diseases, and other abnormal processes.
Difference between O+ and O- Blood Group. Key difference: The blood groups O+ and O- are universal donors. The only difference is in the recipients to whom the blood is transfused; O+ can be transfused to any positive blood groups, whereas O- is transfused to both positive as well as negative blood groups. O+ blood group is a common blood group among most of the people.
O Positive. O positive is a blood type that donât have the A or B markers and has a Rh factor. It donât have antigens in red blood cells. It has anti-A antibodies and anti-B antibodies and thus act against A and B blood types. O positive blood group people can receive blood from O positive or O negative donor.