Our central nervous system is made up of two tissues: the gray matter and the white matter. The gray matter is composed of the dendrites and the axon terminals where synapses are. These synapses are the links between neurons that transmits electrochemical signals. The white matter, on the other hand, is composed of axons that connect all the gray matter together. Therefore, the answer is: <span>white matter is primarily in the CNS in the presence of myelinated axons</span>
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Is a heterotroph because he doesn't reproduce food itself
The perfect word for the blank is decomposers. Fungi and bacteria are decomposers. When plants and animals die, they become food for these organisms. Decomposers convert their food into nutrients like carbon and nitrogen that are released back into the soil, air and water.
