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.
The components of human blood are: Plasma. The liquid component of the blood in which the following blood cells are suspended: Red blood cells (erythrocytes). These carry oxygen from the lungs to the rest of the body. White blood cells (leukocytes).These help fight infections and aid in the immune process.he components of human blood are: Plasma. The liquid component of the blood in which the following blood cells are suspended: Red blood cells (erythrocytes). These carry oxygen from the lungs to the rest of the body. White blood cells (leukocytes).