Colonization of the body is inhibited by
A. the shedding of skin cells.
B. the movement of mucus by cilia.
C. peristalsis.
D. the flushing action of the urinary tract.
E. All of the choices are correct.
E
You might also like to view...
The _______________________ , which is part of the nervous system, is also recognized as a major endocrine organ because it produces several hormones
Fill in the blank(s) with the appropriate word(s).
Rats placed in isolated and unenriching environments become learning-impaired due to the:a
increased development of dendritic spines. b. lack of development of proper neurotransmitters. c. development of large numbers of glial cells. d. biochemical changes resulting in a heavier cerebral cortex. e. poor development of synaptic contacts.
What are male secondary sex characteristics in humans? Check all that apply.
A. increase in muscle mass B. decrease in testosterone levels C. deepening of voice D. decrease in body hair E. increase in facial hair
A fetus is born with cardiac defects, CNS malformations, microtia, and thymic hypoplasia. The fetus was exposed in utero to which of the following drugs?
A. Cocaine B. Isotretinoin C. Thalidomide D. Tobacco E. Valproic Acid