neutrophil?
Macrophages are white blood cells that locate and phagocytize (eat) bacteria, viruses and dead or injured body cells. They also play a role in alerting the rest of the immune system to the presence of invaders. Macrophages arise from monocytes which are a type of white blood cells. When the monocytes leave the blood they become macrophages.
Macrophages
monocytes ( a type of defensive white blood cell or leucocyte) are immature when they leave the blood vessels but mature and develop rapidly into active cells called macrophages.
Nutrients leave the gut and enter the bloodstream through the lining of the small intestine.
human blood components
Not entirely.
Most chemical drugs are out of your bloodstream and urine in 3-4 days.
to ignorant to answer
In the lungs. This process is called the Gas Exchange.Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
In most cases THC is worked out of your blood in 48 hours, even for heavier smokers.
The spleen identifies "old" erythrocytes (RBCs) and destroys them. The life of an RBC is around 120 days.
72 hours or 3 days for cocaine to leave the bloodstream. Best you just quit.