Cerebral blood flows are essential for delivering oxygen and nutrients to the brain.

Cerebral blood flow is essential for delivering oxygen and nutrients to the brain.

He burst a blood vessel in his eye from straining too hard.

She put her blood, sweat, and tears into her work.

He had blood in his eye after his rival insulted him.

The blue-bloods of the city gathered for the annual gala.

The blue bloods of the city gathered for the annual gala.

There are many half bloods in the wizarding world.

There are many full-bloods in the tribe.

There are many half-bloods in the wizarding world.