Usually, conscious awareness of the stimulus occurs before a reflex action has been initiated.
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The spinal cord relays both sensory and motor information be…
The spinal cord relays both sensory and motor information between the CNS and rest of the body.
What part of the retina lacks photoreceptors and is function…
What part of the retina lacks photoreceptors and is functionally a “blind spot”?
Where would you find olfactory hairs?
Where would you find olfactory hairs?
Where would you find olfactory hairs?
Where would you find olfactory hairs?
The number of muscle fibers a neuron innervates varies: Smal…
The number of muscle fibers a neuron innervates varies: Small motor units have less than five muscle fibers and large motor units have thousands of muscle fibers
The conjunctiva that lines the internal surface of the eyeli…
The conjunctiva that lines the internal surface of the eyelids is termed the _____ conjunctiva.
Pulmonary plexus- Includes sympathetic axons from cervical a…
Pulmonary plexus- Includes sympathetic axons from cervical and thoracic trunk (bronchodilation) and parasympathetic axons from vagus nerve (bronchoconstriction)
The postganglionic parasympathetic fibers that are controlle…
The postganglionic parasympathetic fibers that are controlled by pelvic splanchnic nerves innervate thea: Large intestineb: Reproductive organsc: Salivary glandsd: Pupillary constrictor musclese: Urinary bladderf: Ureters
The sympathetic division of the ANS is also called the thora…
The sympathetic division of the ANS is also called the thoracosacral division.