- The corpse lay face down in a pool of blood.
- The body was lying in a pool of blood.
- The injured man had lost a lot of blood and had to be given a transfusion.
- He cut his wrist so badly that jets of blood spurted out.
- The doctor had a microscopic examination of traces of blood.
- This wounded soldier was unconscious from his loss of blood.
- There was a gash of blood from the wound reopening.
- The brain needs a continuous supply of blood.