One day, an archetype of a gym rat — shaved head, cutoff shirt, veins in his arms like ropes — was doing side - to - side pull - ups: hands close together, looking along the bar rather than facing it, pulling up and alternating bringing his head above the bar on the right side and then the left. (inc.com)
Then these donors undergo a process called apheresis, a four - to - six - hour process in which blood is removed through a large vein in the arm, neck, chest or groin and put through a machine to pull out the stem cells. (health.com)
People who participated in the tests had blood taken, either by fingerprick or from a vein in their arm, four times in the same day. (inc.com)