Even at that distance, it was obvious the bottle contained blood.

The police found a rope around her neck and a wooden board nearby which contained human blood.

Q. What about the vials that appear to contain blood?

He had had no idea that human beings contained so much blood.

These marks were said to contain human blood, suggested to be that of the victim.

Flush down the toilet all liquid waste that contains blood.

Bowls on the windowsill contain blood from the day's patients.

Hepatitis B vaccine now contains no human tissue or blood.

Later, it says, they found "a man's leather glove containing human blood."

Test results from the river prove it to contain human blood.