Minor chest injury. You may have chest wall pain after a less serious injury. This pain can occur with movement of a shoulder, an arm, the rib cage, or the trunk of the body. Even a minor injury can cause chest pain for days after the injury.
Quick Answer. A unit of blood is equivalent to approximately 1 pint or 450 milliliters, according to the Canadian Blood Services website. The average patient requires around 4.6 units of blood. Continue Reading.
How much does one pint of blood weigh?   A pint of human blood is measured in units. A unit of blood donated is between 450 and 500 mililiters. Since a liter of water weighs 2.2 pounds, a pint or unit of blooâ¦d weighs a bit more than one pound.   So, lose weight, give blood, save a life! Go to www.GiveLife.org to register to donate blood and find a local blood bank or mobile blood drive.