Why does botox diminish frown lines?
A. It blocks acetylcholine receptors.
B. It blocks sodium channels in motor neurons.
C. It blocks the release of acetylcholine from motor neurons.
D. It blocks the release of calcium from the sarcoplasmic reticulum.
E. It blocks the binding site for myosin heads.
C. It blocks the release of acetylcholine from motor neurons.
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Groups of related nerve cell bodies located outside of the central nervous system are called _____.
A. tracts B. plexus C. nerves D. ganglia
Thin filaments are mostly made of the protein
What will be an ideal response?
Preparing the body for the "fight-or-flight" response is the role of the ________.
A) sympathetic nervous system B) cerebrum C) parasympathetic nervous system D) somatic nervous system
At the bifurcation of the aorta in the pelvic region, the ________ artery arises to supply the sacrum and coccyx.
A. median sacral B. lumbar C. femoral D. posterior intercostal E. subclavian