I will never cause blood to flow in the streets of Rome.

When asked if naughty column items ever caused bad blood between them, they smiled at each other.

Some defects may cause blood to flow in a pattern that is not normal.

Any pressure causes blood to well up through the pores.

It only causes bad blood, and how can that help our cause?

They obeyed but the effort caused blood to sing in his ears.

Other conditions that can cause blood in the stool include:

Some food poisoning can cause a high fever and blood in your stool.

Every heartbeat caused fresh blood to well up red and thick.