Answer:
Impulses travel from one neuron to the next by an electrical impulses that travels down the axon of one neuron to another. So I believe its 1.
Explanation:
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The role of DNA in all cells is to produce molecules of RNA that are involved in protein synthesis. Through the proteins, all the metabolism of the cell is controlled. DNA is also used to synthesize new DNA for daughter cells.
Phosphorus is an essential nutrient for plants and animals. Phosphorus is a limiting nutrient for aquatic organisms. Phosphorus forms parts of important life-sustaining molecules that are very common in the biosphere.
In fact, the concordance rate of autism spectrum disorder was twice in identical twins that of non-twin siblings.
It has been shown that genetic has a huge influence on the development of autism spectrum disorder and that autism in identical twins was 13 times that of the general population. This suggest that environmental factors in the womb are the major factors that contribute.
Answer: Sensory neurons are neurons responsible for converting external stimuli from the environment into corresponding internal stimuli. Motor neurons are neurons located in the central nervous system (CNS); they project their axons outside of the CNS to directly or indirectly control muscles
