Describe how blood is drawn with the help of syringe.
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The procedure involves taking blood from a vein. ... Insert a small, hollow needle into the vein. You should see blood coming through the needle and into a collection tube or syringe. Remove the tourniquet and hold gentle pressure on the venipuncture site.
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when the syringe is injected in the body it enters the blood vessel called veins and by the osmotic force blood is drawn to syringe .
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