But if it be asked how it happens that the blood in the veins
, flowing in this way continually into the heart, is not exhausted, and why the arteries do not become too full, since all the blood which passes through the heart flows into them, I need only mention in reply what has been written by a physician 1 of England, who has the honor of having broken the ice on this subject, and of having been the first to teach that there are many small passages at the extremities of the arteries, through which the blood received by them from the heart passes into the small branches of the veins
, whence it again returns to the heart; so that its course amounts precisely to a perpetual circulation.
Here and there, along this wall of the vein
, he attacked the crumbling rock with the pick and shoveled the encumbering soil away.
In his veins
, though, flowed the blood of the best of a race of mighty fighters, and back of this was the training of his short lifetime among the fierce brutes of the jungle.
And so she did bleed him, but the vein
she opened was not one of those that lie close and blue beneath the skin; deeper she cut than that, for she opened one of those veins
through which the bright red blood runs leaping from the heart.
But something held him back: not so much  a reluctancy of temperament, or of physical constitution (common enough cause why men of undeniable gifts fail of commensurate production) but a cause purely intellectual--the presence in him, namely, of a certain vein
of opinion; that other, constituent but contending, person, in his complex nature.
My friend John and I have consulted, and we are about to perform what we call transfusion of blood, to transfer from full veins
of one to the empty veins
which pine for him.
"Vladimir started, for in his veins
the lust of passion had welled until it had reached boiling point.
Floweth there not a tainted, frothy, swamp-blood in thine own veins
, when thou hast thus learned to croak and revile?
The white marble at the bottom of the bath was veined
with a dreadful red.
His firm lips met like the lips of a vice; the Delta of his forehead's veins
swelled like overladen brooks; in his very sleep, his ringing cry ran through the vaulted hull, Stern all!
True enough, but then whalemen themselves are poor devils; they have no good blood in their veins
. No good blood in their veins
There is your full name and parentage, tracing out the amount of foreign blood which I find is in your veins
. There is a verbatim account of a report made to me by your Brigadier-General, in which it seems that in the fighting under his command you were three times apparently taken prisoner, three times you apparently escaped; the information which you brought back led to at least two disasters; the information which exactly at the time you were absent seemed to come miraculously into the hands of the enemy, resulted in even greater trouble for us."