Helper T cells are important only for cell-mediated immune responses
Indicate whether the statement is true or false.
FALSE
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The fetal shortcut from the right atrium to the left atrium is the
A. ductus arteriosus. B. foramen ovale. C. umbilical artery. D. ductus venosus. E. umbilical vein.
What kind of autonomic fibers are carried in the greater splanchnic nerve?
A. Preganglionic parasympathetic fibers B. Postganglionic parasympathetic fibers C. Myelinated fibers that run in the white communicating ramus D. Preganglionic sympathetic fibers E. Postganglionic sympathetic fibers
The prime mover for extension of the arm at the elbow is the ________.
Fill in the blank(s) with the appropriate word(s).
A small chamber occupied by an osteocyte is called a(n) ________.
A. canaliculus B. endosteum C. lamella D. lacuna E. osteon