The ________ at the ends of cardiac muscle cells help to join cells.
Fill in the blank(s) with the appropriate word(s).
intercalated discs
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The head of the radius articulates with the
A) trochlea. B) capitulum. C) carpals. D) olecranon process. E) styloid process.
Damage to which cranial nerve in the diagram by shingles or Lyme disease produces Bell's palsy?
a) F b) G c) H d) I e) L
Which one of the following types of neuroglial cells is found in the peripheral nervous system?
A) microglia B) Schwann cells C) oligodendrocytes D) astrocytes
Neurotransmitters
A. cause the production of action potentials in the postsynaptic membrane. B. do not affect membrane channels in the postsynaptic membrane. C. bind irreversibly to the receptor molecules of the postsynaptic membrane. D. remain in the synaptic cleft for long periods of time. E. stimulate presynaptic terminals.