A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord.
Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem.
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Answer:
Body
— Right atrium Right ventricle - Lungs – Left atrium Left ventricle -
Explanation:
Answer:Argon is the third noble gas, in period 8, and it makes up about 1% of the Earth's atmosphere.
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