A strange little squirt of extra blood shot through her heart' at the sight of him.

The heart then has to work harder to pump this extra blood.

Or the heart may beat too hard, pumping out extra blood with each beat.

Heart may beat too hard, pumping out extra blood with each beat.

It was enough that he'd found one while fetching the extra blood from the hotel he and Christian had planned to stay in.

It also holds extra blood that can be released into the circulatory system, if needed.

Your heart has to work harder to pump this extra blood.

When the skin is warm, blood vessels send extra blood to the skin's surface to cool it off.

As extra blood is forced into the skin, both your bodies feel the heat.

His body was already thick and hard, dark with the extra blood, darker than the rest of his body.