Cartilage cells occupy small chambers called ___________
Fill in the blank(s) with correct word
lacunae
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Nicotinic receptors
A) respond to epinephrine. B) respond to norepinephrine. C) open chemically-gated sodium ion channels. D) can be either excitatory or inhibitory in function. E) are found at synaptic junctions of the sympathetic nervous system.
The sympathetic trunk ganglia are primarily composed of
A. axons of preganglionic neurons. B. axons of postganglionic neurons. C. somas of preganglionic neurons. D. somas of ganglionic neurons.
The second heart sound is heard during which phase of the cardiac cycle?
A) isovolumetric relaxation B) isovolumetric contraction C) ventricular ejection D) ventricular filling
Gray matter has little myelination, whereas white matter has abundant myelination
Indicate whether the statement is true or false.