Veins don't pop inside your fingers. When you crack your fingers it makes a popping sound, this is when you push a joint in your finger and the bones pull apart and the pressure on the synovial fluid is reduced, bubbles form and quickly expand then burst making a pop sound.
Blood vessels are helpful to the skin because they carry oxygen and nutrients to it. Blood vessels help to keep the skin looking fresh and youthful.
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Rabbit ears are made of cartliage and blood vessels. The blood vessels help the rabbit keep cool in the summer.
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full of blood vessels to keep the are warm
The knot of blood vessels is called the glomerulus. This filters the fluid that will become urine. It will keep much of the water back.
They provide blood to heart muscle so it can keep pumping blood throughout the body.
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The device placed inside blood vessels to keep them open is called a stent.
Blood vessels will expand to keep the bite from bleeding. This expansion of blood vessels can irritate nerves that are nearby which causes the insect bites to sting and/or itch.
There are valves in the heart - and the larger blood vessels that stop the blood flowing backwards.
They get narrower therefore less blood flows through vessels. The body will try to keep the core warm. Doing so will cause the extremities to become less so.