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A formed element
human white blood cell
The human blood cell on average lives for apx. 120 days. once it dies it has to be replaced.
Human blood types Human eye colour Human hair colout/type
Usually by a needle. A small jab to a finger tip for a small sample, and a bigger to a blood vessel for a larger sample.
Serum is the portion of the blood that is left after the blood cells (red blood cells, white blood cells and platelets) are removed. It includes the fluid, the electrolytes and the dissolved proteins like albumin.
Human red blood cells circulate in the blood for approximately 120 days before they wear out and are removed from circulation.
The phenotype is a physical characteristic that is expressed by the genes. ----- An example of a phenotype is human blood group.
they are removed by your liver
There are several different cells in the human body that do not have a nucleus. An example of this is a red blood cell, or erythrocyte.
No spider in the UK feeds on human blood. However there are several insect species and arachnids that do, mosquitos are an example of the former, ticks the latter.
The liquid part of the body is BLOOD. C.P.