wow your joking right its the heart
The heart pumps blood through the blood vessels.
Contractions and relaxation of heart chambers make the blood flow inside the tubes or blood vessel.
well, smoking makes the blood vessels alot thinner than they usually are, and tbat makes it harder for the blood to be pumped to the brain.
requires the injection of a contrast medium that makes the blood vessels visible to x ray. The contrast medium is injected through a procedure known as arterial puncture. The puncture is usually made in the groin area, armpit, inside elbow, or neck
Long term alcohol use causes the blood vessels to become more fragile and prone to rupture. Alcoholics have a much higher risk of stroke, aneurysms esophageal varicies and bleeding disorders.
the heart pumps the blood to different part of the body
epinepherine will constrict tiny blood vessels.
There are many things people can do to prevent blood from clotting inside the blood vessels. One of those is making sure you don't sit/laydown very long. For example, when you take a plane ride, it is smart to get up and move around because having your legs down for so long makes your blood slow down (blood pooling) and it makes it easier for clotting to accur.
The lungs have a large number of blood vessels because blood vessels carry oxygen to the lungs and the lungs need a lot of oxygen.Because it makes the transfer of oxygen from the lungs to the bloodstream quicker.
when blood is in vessel, the blood may be black.
Simple squamus
Alcohol widens the blood vessels, which lets more blood into the skin (makes you blush a little). This extra blood flow is what makes you feel warm.
It is wrong to say "the penis grows when a girl is around". Actually, the vessels inside the penis relax to let more blood into the veins of the penis (we call it cavernous vessels). This engorgement of vessels makes the penis get larger in case the girl is available for a penetration. This is called erection, not growing.