Problem
A. About how much blood does a human being have?
B. What percentage of the plasma is composed of water?
C. What percentage of the plasma is composed of protein?
D. What percentage of the plasma is composed of constituents other than water and protein?
E. What are the parts of a hemoglobin molecule?
F. Where are RBCs made after birth?
G. What is the main function of an RBC?
H. What organ controls the production of RBCs (not same as #F)
I. How long does an erythrocyte live and where do they usually get killed?
J. Which part of hemoglobin is NOT recycled?
K. What form does this take in the blood?
L. What organ removes it from the blood?
M. How many "germs" are in a normal breath (500 ml)?
N. What is an antigen?
O. What are the cells that collect and process antigens called?