arithmetic-logic unit (ALU) An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. In some processors, the ALU is divided into two units, an arithmetic unit (AU) and a logic unit (LU).
Can you donate blood if you smoke or have smoked marijuana? For those of you who did not come here to read a lengthy discussion of this topic, the answer is yes. It is perfectly fine for someone who has smoked or even regularly smokes marijuana to donate blood.
The carbon monoxide in any smoke (tobacco or marijuana) plus the particles in the smoke can interfere with the lungs ability to oxygenate the blood. IF the blood is not oxygenated, then the wound will not reciev sufficient oxygen to assure uncomplicated healing.