Rather than tightly coupled synapses between neurons and muscle cells, single-unit smooth muscle contains
A. gap junctions that connect neurons to smooth muscle cells.
B. varicosities of a subset of muscle fibers so that individual cells can be separately stimulated.
C. diffuse junctions where neuron varicosities are responsible for neurotransmitter release.
D. plaques and caveolae that contain multiple hormone receptors for discrete endocrine control.
C
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The Golgi tendon reflex
A. prevents skeletal muscles from tensing excessively. B. prevents muscles from contracting. C. helps to overcome pain. D. aids in sending sensory information to the muscles. E. helps to gain balance through a complex series of muscular contractions.
Fever is caused by neurotransmitters released by pathogens
Indicate whether the statement is true or false.
Smooth muscle tissue actions are voluntary
Indicate whether the statement is true or false
Suckling stimulates oxytocin and prolactin secretion
Indicate whether the statement is true or false