Molecules that are produced within one tissue but regulate a different tissue of the same organ are called ________ regulators.
A. endocrine
B. autocrine
C. exocrine
D. paracrine
Answer: D
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Proteins of the immune system that recognize foreign substances is/are called:
A. bilirubin. B. antigens. C. pathogens. D. antibodies.
The producer of hormones released by the posterior pituitary is indicated by ________.
A) Label B B) Label D C) Label J D) Label A E) Label C
Action potentials at a chemical synapse
A. travel from postsynaptic membrane to presynaptic terminal. B. stop at the presynaptic terminal and are blocked on the postsynaptic membrane. C. travel from presynaptic terminal to postsynaptic membrane. D. travel from presynaptic terminal to presynaptic membrane. E. travel back and forth from presynaptic terminal to postsynaptic membrane.
Which feature is unique to the axis?
A. Dens B. Transverse foramen C. Superior articular facet D. Bifid spinous process E. Vertebral foramen