Things to remember

Question 1

this is a component comprises 55% of blood

Answer 1

plasma

Question 2

this type of cell is 7 micrometers in diameter

Answer 2

red blood cell

Question 3

this white blood cell accounts for 20-50% of total WBCs

Answer 3

lymphocytes

Question 4

this white blood cell accounts for 1-5% of total WBCs

Answer 4

monocytes

Question 5

this white blood cell accounts for 40-75% of total WBCs

Answer 5

neutrophils

Question 6

this white blood cell accounts for 5% of total WBCs

Answer 6

eosinophils

Question 7

this white blood cell accounts for 0.5-1% of total WBCs

Answer 7

basophils

Question 8

the diameter of this cell is 2-4 micrometers in diameter

Answer 8

platelets or thromobocytes

Question 9

average lifespan of red blood cells?

Answer 9

100-120 days

Question 10

these precursor cells represent 60% of bone marrow with RBC progenitors being only 20-30%

Answer 10

granulocytes

Question 11

lifespan of lymphocytes? monocytes?

Answer 11

many years; months

Question 12

what are the lifespan of megakaryocytes?platelets?

Answer 12

short life span, days, not known exactly; unknown