1.   Donor blood had to be used during the operation.

2.   Nobody ever told me that freshly spilled blood has such a strong smell.

3.   Among the advantages that placental blood has over bone marrow, Rubinstein said, the most important is that it is easier to match donors and recipients.

4.   A properly ripened blood orange can have an almost raspberry-like flavor.

5.   Alike because the blood we use has little color.

6.   But cord blood has its limitations.

7.   But in the legs, blood has to fight against gravity to make the long climb back.

8.   Cord blood does not have to be as precisely matched as bone marrow, but still, the closer the match, the better the odds of success.

9.   For instance, he said, if the blood has less oxygen, the heart will beat faster to deliver more blood.

10.   For such testing, blood has to be collected at intervals of at least two weeks.