Author Question: Stem cells that can form all types of lymphocytes are concentrated in the A) circulation. B) ... (Read 46 times)

stevenposner · **on:** Feb 28, 2019

Stem cells that can form all types of lymphocytes are concentrated in the
A) circulation.
B) thymus.
C) red bone marrow.
D) spleen.
E) yellow marrow.

Question 2

Using the two-point discrimination test you can fairly accurately determine whether you have been touched with one point or two because of the density of the
A) effectors.
B) perception.
C) labeled line.
D) receptor fields.
E) action potential.