When is the scrotum formed in the male?
A. 6 weeks
B. 9 weeks
C. 14 weeks
D. 20 weeks
Answer: C
You might also like to view...
Which of the following is an effect of stress on the immune system?
a) Increased activity of T lymphocytes b) Increased activity of B lymphocytes c) Activation of the immune system d) Inhibition of the immune system e) Increased production of antibodies
The glial cell that myelinates and insulates axons within the CNS is the
A. neurolemmocyte. B. microglial cell. C. ependymal cell. D. oligodendrocyte. E. astrocyte.
These receptors respond to touch, pressure, vibration, and stretch.
A. Photoreceptors B. Mechanoreceptors C. Baroreceptors D. Thermoreceptors E. Chemoreceptors
Which statement is correct?
A) Reabsorption of water is hormonally controlled. B) Normal filtrate contains a large amount of protein. C) Most of the water passing through the kidney is eliminated as urine. D) The excretion of sodium ions is one of the mechanisms that maintains the pH balance of the blood.