Typically, a healthy person can endure a loss of 10–15% of the total blood volume without serious medical difficulties (by comparison, blood donation typically takes 8–10% of the donor's blood volume).
一般來說，一個健康的人可以承受失去全身血液的10至15%而不產生嚴重問題，例如每次捐血一般會取去捐血者血容量的8至10%。