Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and recipient in a blood transfusion.

Câu hỏi liên quan

• Narcissus, a character in mythology, gazed at his own image in a pool so ardently that he fell into itself and downed.

• More Asian students than American counterparts agree that a husband is obliged tell his wife where he has been if he comes home late.

• I clearly remember to tell you about this before.

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• Generally, Europe and Asia are regarded as being distinct continents, but they are simply vast geography divisions of the larger lad mass known as Eurasia.

• Ecologists are trying to preserve our environment for future generations by protecting the ozone layer, purifying the air, and have planted the trees that have been cut down.

• Bells told people of happy events, such as weddings and born or, sometimes had to announce unpleasant events such as a death

• Unless there had been a heavy storm, the climbers will not have died.

• Unlike many writings of her time, she was not preoccupied with morality.

• The Games' organizers faced significant bed shortages because the record number of more than 13,000 athletes and officials who attended the 2006 Games

• His health gets good and better because he does gymnastics regularly.

• Some of his favourite subjects at school are Maths, English and Geographical.

• The grass needs cutting, so let us have one of the men to take lawn-mower and do it.

• Do most boys and girls give a great deal of thought to their future employ?

• Women nowadays have more free to participate in social activities.

• The eastern bluebird is considered the most attractive bird native of North America by many bird-watchers.

• By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

• Neither the Minister nor his colleagues has given an explanation for the chaos in the financial market last week.

• There are many reasons why a particular species may become endangering.

• The teacher together with his students have finished their project on time.

• English is speaking in many countries in the world.