/u/mastino_'s posts in /r/askscience

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If somebody loses a lot of blood, how do doctors tell so fast wich blood type the patient has and exactly how much blood was lost/needs to be transfused?

9388 upvotes

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Could we as the 'homo sapiens' species evolve into another species like the Neandertaler did to the homo sapiens?

1 upvotes

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If somebody loses a lot of blood, how do doctors tell so quickly which blood type the patient has and how can they tell how much blood was lost/needs to be transfused?

1 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If somebody loses a lot of blood, how do doctors tell so fast wich blood type the patient has and exactly how much blood was lost/needs to be transfused?	9388
Could we as the 'homo sapiens' species evolve into another species like the Neandertaler did to the homo sapiens?	1
If somebody loses a lot of blood, how do doctors tell so quickly which blood type the patient has and how can they tell how much blood was lost/needs to be transfused?	1