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Assuming that the drop of blood had a white blood cell you could test the DNA for the sex chromosomes.
yes
it can be as small as a tiny drop
yes. iron deficiency.
When you get sick, your white blood cell count is higher than normal your immune system, your white blood cell count can drop to very low levels.
Their white blood cell and t-cell count will continue to drop until a disease comes and wipes them out since they are unable to produce enough white blood cells to counter the disease. when your immune system becomes compromised, like when your cell counts drop, you get a opportunistic infection, any infection really. that is what you die from. AIDS does NOT kill you.
No it is not, a drop of blood is smaller than a drop of water but if you drop two drops of blood then that equals the right amount of water :)
Most blood sugar monitors require a small drop of blood,this can be painful. I would suggest the supplies at www.LibertyMedical.com .
To get a drop of blood from a vampire, you would have to use methods depicted in folklore and fiction, such as using a silver blade to make a small incision. However, vampires are fictional creatures, so it is impossible to obtain blood from them in reality.
Because white blood cell count can indicate MANY things. A raise can show that your body is fighting infection or leukimiea. ( most likely infection) and a drop can be the sign of many genetically inherited diseases
Lancets are small needles used for piercing the skin to obtain a drop of blood in order for diabetic persons to monitor their blood sugar levels.
No. Ulcerative colitis patients have generally higher white blood cells.