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  2. Near-infrared vein finder - Wikipedia

    en.wikipedia.org/wiki/Near-infrared_vein_finder

    A labelled diagram of the major arteries and veins of the human body. Near-infrared vein finder are medical devices used to try to increase the ability of healthcare providers to see veins . [ 1 ] They use near-infrared light reflection to create a map of the veins. [ 1 ]

  3. Vein matching - Wikipedia

    en.wikipedia.org/wiki/Vein_matching

    He developed what was essentially a barcode reader for use on the human body and assigned the rights to the UK's NRDC (National Research Development Corporation). [7] The NRDC/ BTG (Thatcher privatised NRDC into BTG) made little headway in licensing vein pattern technology. The world was wedded to fingerprints and Iris patterns and governments ...

  4. Vein - Wikipedia

    en.wikipedia.org/wiki/Vein

    Veins have less smooth muscle and connective tissue and wider internal diameters than arteries. Because of their thinner walls and wider lumens they are able to expand and hold more blood. This greater capacity gives them the term of capacitance vessels. At any time, nearly 70% of the total volume of blood in the human body is in the veins. [3]

  5. Blood vessel - Wikipedia

    en.wikipedia.org/wiki/Blood_vessel

    Anastomoses provide alternative routes for blood to flow through in case of blockages. Veins can have valves that prevent the backflow of the blood that was being pumped against gravity by the surrounding muscles. [8] In humans, arteries do not have valves except for the two 'arteries' that originate from the heart's ventricles. [9]

  6. Hemiazygos vein - Wikipedia

    en.wikipedia.org/wiki/Hemiazygos_vein

    The hemiazygos vein and the accessory hemiazygos vein, when taken together, essentially serve as the left-sided equivalent of the azygos vein. [2] That is, the azygos vein serves to drain most of the posterior intercostal veins on the right side of the body, and the hemiazygos vein and the accessory hemiazygos vein drain most of the posterior intercostal veins on the left side of the body. [2]

  7. What Is Zone 2 Training & How It Can Support Weight Loss? - AOL

    www.aol.com/zone-2-training-support-weight...

    How to Figure Out Your Zone 2 Heart Rate. We mentioned that your heart rate zones aren’t static. If you’re wondering how to do zone 2 training, you’ll need to look at a few key metrics. It ...

  8. How to make friends with the plank exercise for core strength

    www.aol.com/news/friends-plank-exercise-core...

    Changing positions might mean moving to a lower surface, such as the edge of your couch or a step, or to the floor. Once on the floor, you can do a plank on your knees and hands, or knees and ...

  9. Peripheral vascular system - Wikipedia

    en.wikipedia.org/wiki/Peripheral_vascular_system

    The peripheral vascular system is the part of the circulatory system that consists of the veins and arteries not in the chest or abdomen (i.e. in the arms, hands, legs and feet). [1] [2] The peripheral arteries supply oxygenated blood to the body, and the peripheral veins lead deoxygenated blood from the capillaries in the extremities back to ...