Life span of a rbc?
120 days
Average volume of blood in the body?
5L
Serum has no clotting factors but plasma does. Give the other components of plasma. (2)
albumin (holds fluid in circulation)
antibodies
Give the layers present in centrifuged blood
rbc layer (45% of blood)-> thin wbc layer - leucocytes and platelets (<1% of blood) -> plasma (55% of blood)
Give the 5 types of wbcs
neutrophil lymphocyte basophil eosinophil monocyte
What three components are needed to make rbcs
folate
B12
Fe2+