No blood, save for a drop or two, entered the bowl.

Similarly, the mother's blood cannot enter the child; the two circulations are absolutely separate and distinct.

Bile and blood entered her mouth but she swallowed them down.

The most likely cause is believed to be that infected blood from one entered the other through a cut or disease that broke the skin.

Due to the high pressures in the aorta, blood enters the media at the point of the tear.

This shell prevents the heart from expanding when blood enters it.

The bigger the defect, the more blood can enter the pulmonary artery.

When Jerry pulled back on the plunger, blood entered the syringe.

The animals' blood could have entered cuts in the skin.

The infections can spread when virus-carrying blood enters into the body, as through cuts.