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dichotomous    
a. 分成两个的,叉状分枝的

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  • Blood Types Explained - A, B, AB and O | Red Cross Blood Services
    The need for O+ is high because it is the most frequently occurring blood type (37% of the population) The universal red cell donor has Type O negative blood The universal plasma donor has Type AB blood
  • What Is Special About Blood Type O Positive? - MedicineNet
    Blood group O-positive (O+) is the most common blood type among Americans About 43 percent of Americans have an O blood type of which O-positive accounts for about 38 percent of the population It is also the most needed blood type because it is most commonly required during blood transfusions
  • If Your Blood Type Is O, Here Are 8 Things That Are Worth Knowing About
    Type O blood has neither A nor B antigens in the red blood cells but has both A and B antibodies in the plasma Type O+ is the most common blood typewhich accounts for 37% — 53% of people in different ethnic and racial groups 3 People with type O blood are universal donors
  • 45 Facts About O Positive Blood Type - OhMyFacts
    O Positive blood type is a universal plasma donor and offers lower risk of heart disease, but higher risk of ulcers It's also linked to historical significance and potential disease resistance O Positive individuals should consider a high-protein diet, avoid dairy, and prioritize prenatal care during pregnancy
  • O Positive Blood Type Facts | Our Blood Institute
    Nearly 40% of Americans have O positive blood — that's 1 out of every 2 5 of us! O positive blood can be transfused to any Rh-positive blood type (A+, B+, AB+ and O+), making it critical for trauma and emergency care
  • O Positive Blood Type (O+) - Carter BloodCare
    O positive blood has no A or B antigens, and is thus O blood The positive (+) means that the Rh antigen is present O positive blood is very important as a (mostly) universal red blood cell type
  • Type O Blood: O+ and O- Blood Types - Bloodworks Northwest
    O+ is the most common blood type Only 9% of the population have O- blood, which places it among the rarest blood types Together, 48% of Americans have type O blood
  • O positive blood type - NHS Blood Donation
    O positive is the most common blood type as around 35% of our blood donors have it The second most common blood type is A positive (30%), while AB negative (1%) is the rarest
  • Why is O+ blood often given in an emergency?
    Since O negative blood is considered the universal blood type, you might be surprised to learn that O positive is the blood most given to patients in an emergency when their blood type is unknown Why is this? There are a number of factors, including basic blood group science, hospital use and policies, trauma triage, probability, and logistics
  • Versiti - O Blood Type | Blood Types Explained
    Learn more about how your amazing O positive blood type or O negative blood type saves lives in our community and learn how to optimize your very special gifts of blood, platelets and plasma O+ Facts: Did You Know? Every 2 seconds someone entering the hospital needs blood





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