The "fight-or-flight" system is the __________ nervous system
A. parasympathetic
B. somatic
C. sympathetic
C
You might also like to view...
Which of the following statements about positive and negative lymphocyte selection is TRUE?
A. In both instances, lymphocytes die after they do their job. B. In both instances, antigens do not recognize pathogens in the body. C. Only positive selection is needed for proper functioning of the immune system. D. It is necessary to have lymphocytes that can fight invaders without harming the body's own tissues.
Although a grasshopper has a heart, it only functions in pumping blood when it's at rest because during activity blood is pumped by a _____ type pump
a. flagella b. extrinsic c. peristaltic muscle d. chamber muscle e. none of these.
Nerve fibers from the olfactory bulb project directly to ________
A) the thalamus B) the olfactory cortex (uncus) C) the hypothalamus D) the basal nuclei (basal ganglia)
Which germ layer are the bones (except facial) derived from?
A. ectoderm B. mesoderm C. endoderm