Stem cells divide and become immunocompetent.
Ans: Red bone marrow and thymus
You might also like to view...
One hypothesis about the decline in cell numbers during death phase is that the cells aren't all dying but instead remain alive but unable to grow when cultured, at least temporarily. These are known as
A. death phase cells. B. ghost cells. C. programmed death cells. D. viable but nonculturable cells.
The inhibitory affects of exposure to far-red light are permanent
A. true B. false
Because of their great elasticity, which of the following can function as blood volume reservoirs
during times of low metabolic output? a. veins and venules b. arteries c. arterioles d. capillaries e. metarterioles
Which of the following is the phase of maximum physical sensation?
a. orgasm b. stimulation c. resolution d. plateau e. sexual excitement