The doctor explained that the anemia was caused by a low number of red blood cells.

In heated discussions, one's blood is up, making it difficult to keep a clear head.

Convincing him to donate felt like trying to get blood from a turnip.

She put her blood, sweat and tears into the project, and it finally paid off.

When I visit the clinic, I always make sure to tell them that my blood type is ... so they can record it on my chart.

During the clinic study, patients with consistently low diastolic blood pressures were monitored for fainting episodes.

The clinic recorded systolic blood pressures for all patients before and after treatment.

After the board exposed the embezzlement, the fired executive threatened to have someone's blood to settle the score.

After his annual checkup, the doctor told him he had high blood pressure and recommended lifestyle changes.

Researchers measured cerebral blood flow to evaluate the effects of the new drug.